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CVE-2009-0057

MEDIUM · CVSS 4.3EPSS 0.9%EU EUVD

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."

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-20
EPSS score
0.9% (60th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0066)
Published
January 22, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0066 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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