CVE-2026-20241
Cisco Identity Services Engine Authorization Bypass Vulnerability
A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate. This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Cisco Identity Services Engine Software Cisco |
3.1.0 (affected) 3.1.0 p1 (affected) 3.1.0 p3 (affected) 3.1.0 p2 (affected) 3.2.0 (affected) 3.1.0 p4 (affected) 3.1.0 p5 (affected) 3.2.0 p1 (affected) 3.1.0 p6 (affected) 3.2.0 p2 (affected) 3.1.0 p7 (affected) 3.3.0 (affected) 3.2.0 p3 (affected) 3.2.0 p4 (affected) 3.1.0 p8 (affected) 3.2.0 p5 (affected) 3.2.0 p6 (affected) 3.1.0 p9 (affected) 3.3 Patch 2 (affected) 3.3 Patch 1 (affected) 3.3 Patch 3 (affected) 3.4.0 (affected) 3.2.0 p7 (affected) 3.3 Patch 4 (affected) 3.4 Patch 1 (affected) 3.1.0 p10 (affected) 3.3 Patch 5 (affected) 3.3 Patch 6 (affected) 3.4 Patch 2 (affected) 3.3 Patch 7 (affected) 3.4 Patch 3 (affected) 3.5.0 (affected) 3.4 Patch 4 (affected) 3.3 Patch 8 (affected) 3.2 Patch 8 (affected) 3.5 Patch 1 (affected) 3.3 Patch 9 (affected) 3.2 Patch 9 (affected) 3.4 Patch 5 (affected) 3.5 Patch 3 (affected) 3.5 Patch 2 (affected) 3.3 Patch 10 (affected) 3.3 Patch 11 (affected) 3.4 Patch 6 (affected) 3.2 Patch 10 (affected) 3.1.0 p11 (affected) Other versions: unknown |
CNA: cisco |
| Cisco ISE Passive Identity Connector Cisco |
3.2.0 (affected) 3.1.0 (affected) 3.3.0 (affected) 3.4.0 (affected) 3.5.0 (affected) Other versions: unknown |
CNA: cisco |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CNA: cisco |
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
For agents and automation
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