Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite Vulnerability
Summary
| CVE | CVE-2026-20122 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-02-25 17:25:28 UTC |
| Updated | 2026-04-21 11:59:56 UTC |
| Description | A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This vulnerability is due to improper file handling on the API interface of an affected system. An attacker could exploit this vulnerability by uploading a malicious file on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on the affected system and gain vmanage user privileges. |
Risk And Classification
Primary CVSS: v3.1 5.4 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.011240000 probability, percentile 0.782970000 (date 2026-04-21)
CISA KEV: Listed on 2026-04-20; due 2026-04-23; ransomware use Unknown
Problem Types: CWE-648 | CWE-648 Incorrect Use of Privileged APIs
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | [email protected] | Secondary | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | CNA | CVSSV3_1 | 5.4 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA Known Exploited Vulnerability
| Vendor | Cisco |
|---|---|
| Product | Catalyst SD-WAN Manger |
| Name | Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability |
| Required Action | Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available. |
| Notes | CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v ; https://nvd.nist.gov/vuln/detail/CVE-2026-20122 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cisco | Catalyst Sd-wan Manager | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.12 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.3.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.099 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.0.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.1.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.302 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.303 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.097 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.098 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.10 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.6.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.0.1a | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.2.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.9 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 17.2.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.3.0 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.501_ES | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.929 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.31 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.32 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2_925 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2.1_927 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 18.4.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.2_937 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2_928 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2_929 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2.1_930 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.0.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.4.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2_937 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.1.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.0.01 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.1.0.02 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.1.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.1.10 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.14 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.4.0.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 19.2.4.0.9 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2.0.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.1.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.17 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.0.18.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.2.0.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.0.18.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.16 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.1.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.7.1EFT2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.9 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.11 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.0.18 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.7.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.813 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.19 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.5.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.814 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.7.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.20 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.24 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.2.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.7.1.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.8.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.5.0.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.5.0.9 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.2.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.5.0.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.10 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.7.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.1EFT2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.11 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.14 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.19 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.18 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.23 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.25 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.27 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.29 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.31 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.32 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.10.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.33 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2.0.01 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.10.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.11.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.11.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3_LI_ Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.4.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.38 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.39 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.5.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.3.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.7.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.10.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.25 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.2.2.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.11.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.4.0.26 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.40 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.1.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.41 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4.0.19 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.7.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.12 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.11.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.10.1.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.9 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.16 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.45 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.10 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.17 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.2.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.4.0.21 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.18 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.46 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.47 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.2.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.21 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.20 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.11 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.13 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.23 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.2.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.25 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.24 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.5.1.14 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.3.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.26 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.3.0.51 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.3.0.29 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.6.0.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.13.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.13.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.1.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.3_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.1.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.4.1.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.14.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.14.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.1.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.13 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.6_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.14 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.6.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4.0.03 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.16.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.16.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.16 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4.0.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.401 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.3_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.5.2.21 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.6.0.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4.0.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.4_Monthly_ES5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.7_LI _Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.7 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.3 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.3_ LI _Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.501 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5.2_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.3.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.4_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.4 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.7.1_LI _Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.7.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.18.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.18.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.6_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.6 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.12.5.1.01 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.8 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.9.8_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.18.2 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.4.1_LI_Images | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.15.4.1 | Not specified |
| CNA | Cisco | Cisco Catalyst SD-WAN Manager | affected 20.18.2_LI_Images | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-... | [email protected] | sec.cloudapps.cisco.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-04-20T00:00:00.000Z | CVE-2026-20122 added to CISA KEV |
Exploits
CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in CVE-2026-20133, CVE-2026-20126, and CVE-2026-20129. In March 2026, the Cisco PSIRT became aware of active exploitation of the vulnerabilities that are described in CVE-2026-20128 and CVE-2026-20122 only. The vulnerabilities that are described in the other CVEs in this advisory are not known to have been compromised. Cisco strongly recommends that customers upgrade to a fixed software release to remediate these vulnerabilities.
There are currently no legacy QID mappings associated with this CVE.