CVE-2007-1833

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-03 · updated 2026-06-16

Description

The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.

Affected products

Cisco Unified Callmanager: 3.3, 3.3(2), 3.3(2)spb, 3.3(2)spc, 3.3(3), 3.3(3)sr1 (+19)

References

http://secunia.com/advisories/24665
http://securitytracker.com/id?1017826
http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml
http://www.securityfocus.com/bid/23181
http://www.vupen.com/english/advisories/2007/1144
https://exchange.xforce.ibmcloud.com/vulnerabilities/33295
http://secunia.com/advisories/24665
http://securitytracker.com/id?1017826
http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml
http://www.securityfocus.com/bid/23181
http://www.vupen.com/english/advisories/2007/1144
https://exchange.xforce.ibmcloud.com/vulnerabilities/33295

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