CVE-2026-76487 — Cisco Unified Communications Manager Improper Access Control Vulnerability

Description (CNA)

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on 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 access parts of the network that are beyond the scope of their intended access.

Affected (CNA)

Vendor / product	Versions
Cisco / Cisco Unified Communications Manager	affected 14; affected 14SU1; affected 14SU2; affected 14SU3; affected 15; affected 15SU1; affected 14SU4; affected 14SU4a; affected 15SU1a; affected 15SU2; affected 15.0.1.13010-1; affected 15.0.1.13011-1; affected 15.0.1.13012-1; affected 15.0.1.13013-1; affected 15.0.1.13014-1; affected 15.0.1.13015-1; affected 15.0.1.13016-1; affected 15.0.1.13017-1; affected 15SU3a; affected 14SU5; affected 15SU4; affected 15SU4a; affected 14SU6

Vendor / product

Versions

Cisco / Cisco Unified Communications Manager

affected 14; affected 14SU1; affected 14SU2; affected 14SU3; affected 15; affected 15SU1; affected 14SU4; affected 14SU4a; affected 15SU1a; affected 15SU2; affected 15.0.1.13010-1; affected 15.0.1.13011-1; affected 15.0.1.13012-1; affected 15.0.1.13013-1; affected 15.0.1.13014-1; affected 15.0.1.13015-1; affected 15.0.1.13016-1; affected 15.0.1.13017-1; affected 15SU3a; affected 14SU5; affected 15SU4; affected 15SU4a; affected 14SU6

CWE

CWE-749

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-access-PW9e8Jt2

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.