Cisco Unity Connection Server-Side Request Forgery Vulnerability
Summary
| CVE | CVE-2026-20035 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-06 17:16:20 UTC |
| Updated | 2026-05-06 18:59:53 UTC |
| Description | A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device. |
Risk And Classification
Primary CVSS: v3.1 7.2 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery (SSRF)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.2 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| 3.1 | CNA | CVSSV3_1 | 7.2 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1) | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU3 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU4 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU5 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU6 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU7 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU3 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU8 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU3a | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU8a | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU1 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 14SU4 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 12.5(1)SU9 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU2 | Not specified |
| CNA | Cisco | Cisco Unity Connection | affected 15SU3 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-... | [email protected] | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Exploits
CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
There are currently no legacy QID mappings associated with this CVE.