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TI-2022-05375 Aliases CVE-2022-20816GHSA-6pf9-83g8-xqr2

Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability

Priority LOW 38CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to delete arbitrary files from an affected system. This vulnerability exists because the affected software does not properly validate HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to delete arbitrary files from the affected system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01301 70th 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

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Unified Communications Managerall versions—No fix listedCNA
  • Cisco Unified Communications Manager VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*11.5\(1\) to before 14su2VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*11.5\(1\) to before 14su2VulnerableCisco
  • cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:* Versions 11.5\(1\) to before 14su2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:* Versions 11.5\(1\) to before 14su2 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-20816
  2. 2026-10-03 Alias added: GHSA-6pf9-83g8-xqr2

References

Advisory 1

  • TI-2026-16259 Cisco Unified Communications Products Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • 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-2026-16423 Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability KEVCVSS 3.1HIGH 8.6
  • TI-2008-00019 Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service… CVSS 2.0HIGH 10.0
  • TI-2013-05779 The TFTP service in Cisco Unified Communications Manager (aka CUCM or Unified CM) allows… CVSS 3.1HIGH 7.3
  • TI-2011-02932 Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and… CVSS 2.0HIGH 7.8
See all 238 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences