Cisco Identity Services Engine Information Disclosure Vulnerability
Summary
| CVE | CVE-2026-20190 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-17 17:16:43 UTC |
| Updated | 2026-06-22 14:30:44 UTC |
| Description | A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device. This vulnerability is due to improper authorization checks when a resource is accessed. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.003710000 probability, percentile 0.287220000 (date 2026-06-21)
Problem Types: CWE-285 | CWE-285 Improper Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | CNA | CVSSV3_1 | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4.0 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4 Patch 1 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4 Patch 2 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4 Patch 3 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.5.0 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4 Patch 4 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.5 Patch 1 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.4 Patch 5 | Not specified |
| CNA | Cisco | Cisco Identity Services Engine Software | affected 3.5 Patch 2 | Not specified |
| CNA | Cisco | Cisco ISE Passive Identity Connector | affected 3.4.0 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-mu... | [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 |
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.