CVE-2007-1833 Denial of service in n/a

Medium 5.0 Published 3 Apr 2007 Updated 7 Aug 2024

Remote attackers can cause denial of service in Cisco Unified CallManager by sending crafted packets to SCCP ports, disrupting voice services.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2007-1833?

CVE-2007-1833 is a medium-severity denial of service vulnerability in n/a, published on 3 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2007-1833?

It affects 1 product.

Products include Cisco Unified Callmanager.

How do I fix CVE-2007-1833?

No fix has been published for CVE-2007-1833 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2007-1833 being exploited?

There is no known exploitation of CVE-2007-1833 in the wild and no public exploit code.

Sources

Also known as GHSA-6p2g-28fm-38rf.