Cisco Identity Services Engine Authorization Bypass Vulnerability
Priority LOW 28CWE-285Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass the authorization mechanisms for specific administrative functions. This vulnerability is due to insufficient authorization enforcement mechanisms for users created by SAML SSO integration with an external identity provider. An attacker could exploit this vulnerability by submitting a series of specific commands to an affected device. A successful exploit could allow the attacker to modify a limited number of system settings, including some that would result in a system restart. In single-node Cisco ISE deployments, devices that are not authenticated to the network will not be able to authenticate until the Cisco ISE system comes back online.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00355 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.0.0; 3.0.0 p1; 3.0.0 p2; 3.0.0 p3; 3.1.0; 3.0.0 p4; 3.1.0 p1; 3.0.0 p5; 3.1.0 p3; 3.1.0 p2; 3.0.0 p6; 3.2.0; 3.1.0 p4; 3.1.0 p5; 3.2.0 p1; 3.0.0 p7; 3.1.0 p6; 3.2.0 p2; 3.1.0 p7; 3.3.0; 3.2.0 p3; 3.0.0 p8; 3.2.0 p4; 3.1.0 p8; 3.2.0 p5; 3.2.0 p6; 3.1.0 p9; 3.3 Patch 2; 3.3 Patch 1; 3.3 Patch 3; 3.4.0; 3.2.0 p7; 3.3 Patch 4; 3.4 Patch 1; 3.1.0 p10 | — | No fix listed | CNA |
- Cisco Identity Services Engine Software VendorCisco Affected 3.0.0; 3.0.0 p1; 3.0.0 p2; 3.0.0 p3; 3.1.0; 3.0.0 p4; 3.1.0 p1; 3.0.0 p5; 3.1.0 p3; 3.1.0 p2; 3.0.0 p6; 3.2.0; 3.1.0 p4; 3.1.0 p5; 3.2.0 p1; 3.0.0 p7; 3.1.0 p6; 3.2.0 p2; 3.1.0 p7; 3.3.0; 3.2.0 p3; 3.0.0 p8; 3.2.0 p4; 3.1.0 p8; 3.2.0 p5; 3.2.0 p6; 3.1.0 p9; 3.3 Patch 2; 3.3 Patch 1; 3.3 Patch 3; 3.4.0; 3.2.0 p7; 3.3 Patch 4; 3.4 Patch 1; 3.1.0 p10 Fixed in — No fix listed CNA
CPE configurations NVD · 35
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:-:*:*:*:*:*:* | 3.0.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch1:*:*:*:*:*:* | 3.0.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch2:*:*:*:*:*:* | 3.0.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch3:*:*:*:*:*:* | 3.0.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch4:*:*:*:*:*:* | 3.0.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch5:*:*:*:*:*:* | 3.0.0 patch5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch6:*:*:*:*:*:* | 3.0.0 patch6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch7:*:*:*:*:*:* | 3.0.0 patch7 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch8:*:*:*:*:*:* | 3.0.0 patch8 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:-:*:*:*:*:*:* | 3.1.0 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:-:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch1:*:*:*:*:*:* Versions 3.0.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch2:*:*:*:*:*:* Versions 3.0.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch3:*:*:*:*:*:* Versions 3.0.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch4:*:*:*:*:*:* Versions 3.0.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch5:*:*:*:*:*:* Versions 3.0.0 patch5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch6:*:*:*:*:*:* Versions 3.0.0 patch6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch7:*:*:*:*:*:* Versions 3.0.0 patch7 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch8:*:*:*:*:*:* Versions 3.0.0 patch8 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:-:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Cisco
Show 25 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch1:*:*:*:*:*:* | 3.1.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch10:*:*:*:*:*:* | 3.1.0 patch10 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch2:*:*:*:*:*:* | 3.1.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch3:*:*:*:*:*:* | 3.1.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch4:*:*:*:*:*:* | 3.1.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch5:*:*:*:*:*:* | 3.1.0 patch5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch6:*:*:*:*:*:* | 3.1.0 patch6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch7:*:*:*:*:*:* | 3.1.0 patch7 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch8:*:*:*:*:*:* | 3.1.0 patch8 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch9:*:*:*:*:*:* | 3.1.0 patch9 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:-:*:*:*:*:*:* | 3.2.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch1:*:*:*:*:*:* | 3.2.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch2:*:*:*:*:*:* | 3.2.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch3:*:*:*:*:*:* | 3.2.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch4:*:*:*:*:*:* | 3.2.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch5:*:*:*:*:*:* | 3.2.0 patch5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch6:*:*:*:*:*:* | 3.2.0 patch6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch7:*:*:*:*:*:* | 3.2.0 patch7 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.3.0:-:*:*:*:*:*:* | 3.3.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* | 3.3.0 patch1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* | 3.3.0 patch2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* | 3.3.0 patch3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* | 3.3.0 patch4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* | 3.4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* | 3.4.0 patch1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch1:*:*:*:*:*:* Versions 3.1.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch10:*:*:*:*:*:* Versions 3.1.0 patch10 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch2:*:*:*:*:*:* Versions 3.1.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch3:*:*:*:*:*:* Versions 3.1.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch4:*:*:*:*:*:* Versions 3.1.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch5:*:*:*:*:*:* Versions 3.1.0 patch5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch6:*:*:*:*:*:* Versions 3.1.0 patch6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch7:*:*:*:*:*:* Versions 3.1.0 patch7 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch8:*:*:*:*:*:* Versions 3.1.0 patch8 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.1.0:patch9:*:*:*:*:*:* Versions 3.1.0 patch9 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:-:*:*:*:*:*:* Versions 3.2.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch1:*:*:*:*:*:* Versions 3.2.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch2:*:*:*:*:*:* Versions 3.2.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch3:*:*:*:*:*:* Versions 3.2.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch4:*:*:*:*:*:* Versions 3.2.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch5:*:*:*:*:*:* Versions 3.2.0 patch5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch6:*:*:*:*:*:* Versions 3.2.0 patch6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.2.0:patch7:*:*:*:*:*:* Versions 3.2.0 patch7 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.3.0:-:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* Versions 3.3.0 patch1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* Versions 3.3.0 patch2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* Versions 3.3.0 patch3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* Versions 3.3.0 patch4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* Versions 3.4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* Versions 3.4.0 patch1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-20264
- 2026-10-03 Alias added: GHSA-2g95-q4q6-2mjq
References
Advisory 1
More Cisco Identity Services Engine vulnerabilities
- TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14632 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14578 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2025-14579 Cisco ISE API Unauthenticated Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2022-05522 OS command injection in Cisco Identity Services Engine Software CVSS 3.1HIGH 8.8
Sources
- CVE-2025-20264 · CVE Program
- CVE-2025-20264 · NVD
- FIRST EPSS
- GHSA-2g95-q4q6-2mjq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences