CVE-2022-20791: Cisco Unified Communications Products Arbitrary File Read Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-06 · updated 2026-06-17
Weakness: CWE-36

Description

A vulnerability in the database user privileges of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system of an affected device. This vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the API to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device. The attacker would need valid user credentials to exploit this vulnerability.

Affected products

Cisco Unified Communications Manager: through 11.5\(1.10000.6\); from 12.5 through 12.5\(1.10000.22\); from 14.0 through 14.0\(1.10000.20\)
Cisco Unified Communications Manager IM and Presence Service: through 12.5\(1\); from 14.0 before 14su2 — fixed in 14su2

How to fix

Upgrade to a fixed version: Cisco Unified Communications Manager IM and Presence Service 14su2. Check the vendor advisory for mitigations.

References

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