CVE-2021-1357: Cisco Unified Communications Products Vulnerabilities

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-20 · updated 2026-06-17
Weakness: CWE-35

Description

Multiple vulnerabilities in Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an attacker to conduct path traversal attacks and SQL injection attacks on an affected system. One of the SQL injection vulnerabilities that affects Unified CM IM&P also affects Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) and could allow an attacker to conduct SQL injection attacks on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

Cisco Unified Communications Manager: before 11.5\(1\)su9; from 12.0 before 12.0\(1\)su4; from 12.5 before 12.5\(1\)su4 — fixed in 11.5\(1\)su9, 12.0\(1\)su4, 12.5\(1\)su4
Cisco Unified Communications Manager IM and Presence Service: before 11.5\(1\)su9; from 12.0 before 12.5\(1\)su4 — fixed in 11.5\(1\)su9, 12.5\(1\)su4

How to fix

Upgrade to a fixed version: Cisco Unified Communications Manager 11.5\(1\)su9, 12.0\(1\)su4, 12.5\(1\)su4; Cisco Unified Communications Manager IM and Presence Service 11.5\(1\)su9, 12.5\(1\)su4. Check the vendor advisory for mitigations.

References

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