Cisco Unified Communications Products Timing Attack Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-208.
Summary
A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an unauthenticated, remote attacker to perform a timing attack. This vulnerability is due to insufficient protection of a system password. An attacker could exploit this vulnerability by observing the time it takes the system to respond to various queries. A successful exploit could allow the attacker to determine a sensitive system password.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 Unified Communications Manager | all versions | — | No fix listed | CNA |
- Cisco Unified Communications Manager VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:* | 12.5\(1\) to before 12.5\(1\)su6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:* | 12.5\(1\) to before 12.5\(1\)su6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:* | 14.0 to before 14su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:* | 14.0 to before 14su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:* | 12.5\(1\) to before 12.5\(1\)su6; 14.0 to before 14su1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:* Versions 12.5\(1\) to before 12.5\(1\)su6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:* Versions 12.5\(1\) to before 12.5\(1\)su6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:* Versions 14.0 to before 14su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:* Versions 14.0 to before 14su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:* Versions 12.5\(1\) to before 12.5\(1\)su6; 14.0 to before 14su1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20752
- 2026-10-03 Alias added: GHSA-mxrp-hmp4-qwv2
References
More Cisco Unified Communications Manager vulnerabilities
- 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
Sources
- CVE-2022-20752 · CVE Program
- CVE-2022-20752 · NVD
- FIRST EPSS
- GHSA-mxrp-hmp4-qwv2 · 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