Unscored severity · published Jan 22, 2009
CVE-2009-0057
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…
–
CVSS
0.9%
EPSS
No
On KEV
Description
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."
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
Unified Communications Manager · Cisco
5.0; 5.0_1; 5.0_2; 5.0_3; 5.0_3a; 5.0_4; +30 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-0057
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-0057
Vendor Advisory
http://secunia.com/advisories/33588
Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a61928.shtml
www.securityfocus.com
http://www.securityfocus.com/bid/33379
www.securitytracker.com
http://www.securitytracker.com/id?1021620
www.vupen.com
http://www.vupen.com/english/advisories/2009/0213
exchange.xforce.ibmcloud.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/48139
More from Unified Communications Manager
9.8
CVE-2026-20045
Cisco Unified Communications Products Remote Code Execution Vulnerability
8.6
CVE-2026-20230
Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability
10.0
CVE-2025-20309
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an…
10.0
CVE-2024-20253
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an…
9.8
CVE-2017-12337
A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote…
