CVE-2009-0057
The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2009-0057- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2009-0057- Updated
- 2026-11-02
EUVDEUVD-2009-0066 No score
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."
- Record
EUVD-2009-0066- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mcx4-vf2j-97x9 No score
The Certificate Authority Proxy Function (CAPF) service in Cisco Unified Communications Manager 5...
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."
- Record
GHSA-mcx4-vf2j-97x9- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0057 is a medium vulnerability (CVSS 4.3) in Cisco Unified Communications Manager, published January 22, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.89%, the 59th percentile. No source names a fixed version.
References
securityfocus.com/bid/33379
securitytracker.com/id?1021620
exchange.xforce.ibmcloud.com/vulnerabilities/48139
vupen.com/english/advisories/2009/0213
secunia.com/advisories/33588
cisco.com/en/US/products/products_security_advisory09186a0080a61928.shtml
nvd.nist.gov/vuln/detail/CVE-2009-0057
github.com/advisories/GHSA-mcx4-vf2j-97x9