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TI-2009-00055 Aliases CVE-2009-0057GHSA-mcx4-vf2j-97x9

The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications…

Priority LOW 22CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5.x before 5.1(3e) and 6.x before 6.1(3) allows remote attackers to cause a denial of service (voice service outage) by sending malformed input over a TCP session in which the "client terminates prematurely."

Why it matters now

EPSS 0.00891 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 36

CPEVersionsRoleVendor
cpe:2.3:a:cisco:unified_communications_manager:5.0:*:*:*:*:*:*:*5.0VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_1:*:*:*:*:*:*:*5.0_1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_2:*:*:*:*:*:*:*5.0_2VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_3:*:*:*:*:*:*:*5.0_3VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_3a:*:*:*:*:*:*:*5.0_3aVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_4:*:*:*:*:*:*:*5.0_4VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_4a:*:*:*:*:*:*:*5.0_4aVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.0_4a_su1:*:*:*:*:*:*:*5.0_4a_su1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:*:*:*:*:*:*:*5.1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:\(1\):*:*:*:*:*:*5.1 \(1\)VulnerableCisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_1:*:*:*:*:*:*:* Versions 5.0_1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_2:*:*:*:*:*:*:* Versions 5.0_2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_3:*:*:*:*:*:*:* Versions 5.0_3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_3a:*:*:*:*:*:*:* Versions 5.0_3a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_4:*:*:*:*:*:*:* Versions 5.0_4 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_4a:*:*:*:*:*:*:* Versions 5.0_4a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.0_4a_su1:*:*:*:*:*:*:* Versions 5.0_4a_su1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:\(1\):*:*:*:*:*:* Versions 5.1 \(1\) Vulnerable ·Cisco
Show 26 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2\):*:*:*:*:*:*5.1 \(2\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2a\):*:*:*:*:*:*5.1 \(2a\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2b\):*:*:*:*:*:*5.1 \(2b\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:\(3a\):*:*:*:*:*:*5.1 \(3a\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:5.1\(1\):*:*:*:*:*:*5.1 5.1\(1\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1:5.1_\(2a\):*:*:*:*:*:*5.1 5.1_\(2a\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1\(1\):*:*:*:*:*:*:*5.1(1)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1\(2\):*:*:*:*:*:*:*5.1(2)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1\(3c\):*:*:*:*:*:*:*5.1(3c)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1.2:*:*:*:*:*:*:*5.1.2VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_\(2a\):*:*:*:*:*:*:*5.1_(2a)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_1:*:*:*:*:*:*:*5.1_1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_2:*:*:*:*:*:*:*5.1_2VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_2a:*:*:*:*:*:*:*5.1_2aVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_2b:*:*:*:*:*:*:*5.1_2bVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:5.1_3a:*:*:*:*:*:*:*5.1_3aVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.0:*:*:*:*:*:*:*6.0VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.0:\(1\):*:*:*:*:*:*6.0 \(1\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.0:\(1a\):*:*:*:*:*:*6.0 \(1a\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.0_1:*:*:*:*:*:*:*6.0_1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.0_1a:*:*:*:*:*:*:*6.0_1aVulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.1:*:*:*:*:*:*:*6.1VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.1:\(1a\):*:*:*:*:*:*6.1 \(1a\)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.1\(2\):*:*:*:*:*:*:*6.1(2)VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.1.0:*:*:*:*:*:*:*6.1.0VulnerableCisco
cpe:2.3:a:cisco:unified_communications_manager:6.1_1a:*:*:*:*:*:*:*6.1_1aVulnerableCisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2\):*:*:*:*:*:* Versions 5.1 \(2\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2a\):*:*:*:*:*:* Versions 5.1 \(2a\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:\(2b\):*:*:*:*:*:* Versions 5.1 \(2b\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:\(3a\):*:*:*:*:*:* Versions 5.1 \(3a\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:5.1\(1\):*:*:*:*:*:* Versions 5.1 5.1\(1\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1:5.1_\(2a\):*:*:*:*:*:* Versions 5.1 5.1_\(2a\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1\(1\):*:*:*:*:*:*:* Versions 5.1(1) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1\(2\):*:*:*:*:*:*:* Versions 5.1(2) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1\(3c\):*:*:*:*:*:*:* Versions 5.1(3c) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1.2:*:*:*:*:*:*:* Versions 5.1.2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_\(2a\):*:*:*:*:*:*:* Versions 5.1_(2a) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_1:*:*:*:*:*:*:* Versions 5.1_1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_2:*:*:*:*:*:*:* Versions 5.1_2 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_2a:*:*:*:*:*:*:* Versions 5.1_2a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_2b:*:*:*:*:*:*:* Versions 5.1_2b Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:5.1_3a:*:*:*:*:*:*:* Versions 5.1_3a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.0:\(1\):*:*:*:*:*:* Versions 6.0 \(1\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.0:\(1a\):*:*:*:*:*:* Versions 6.0 \(1a\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.0_1:*:*:*:*:*:*:* Versions 6.0_1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.0_1a:*:*:*:*:*:*:* Versions 6.0_1a Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.1:\(1a\):*:*:*:*:*:* Versions 6.1 \(1a\) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.1\(2\):*:*:*:*:*:*:* Versions 6.1(2) Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:unified_communications_manager:6.1_1a:*:*:*:*:*:*:* Versions 6.1_1a Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-0057
  2. 2026-10-03 Alias added: GHSA-mcx4-vf2j-97x9

References

Advisory 1

Other 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