CVE-2013-3453 Denial of service in n/a

High 7.8 Published 22 Aug 2013 Updated 16 Sep 2024

Remote attackers can cause denial of service via memory and CPU exhaustion by flooding TCP connections to specific ports in Cisco Unified Communications Manager.

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-2013-3453?

CVE-2013-3453 is a high-severity denial of service vulnerability in Cisco Unified Communications Manager, published on 22 Aug 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory leak in Cisco Unified Communications Manager IM and Presence Service before 8.6(5)SU1 and 9.x before 9.1(2), and Cisco Unified Presence, allows remote attackers to cause a denial of service (memory and CPU consumption) by making many TCP connections to port (1) 5060 or (2) 5061, aka Bug ID CSCud84959.

Weakness: CWE-399

Which versions are affected by CVE-2013-3453?

It affects 2 products.

Products include Cisco Unified Communications Manager, Cisco Unified Presence.

How do I fix CVE-2013-3453?

No fix has been published for CVE-2013-3453 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-2013-3453 being exploited?

There is no known exploitation of CVE-2013-3453 in the wild and no public exploit code.

All Cisco Unified Communications Manager vulnerabilities

Sources

Also known as GHSA-256f-5rh3-pf6j.