CVE-2007-5537 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a kernel panic and denial of service in Cisco Unified Communications Manager by flooding SIP INVITE messages to UDP port 5060.

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-2007-5537?

CVE-2007-5537 is a high-severity denial of service vulnerability in Cisco Unified Communications Manager, published on 18 Oct 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.

Weakness: CWE-399

Which versions are affected by CVE-2007-5537?

It affects 2 products.

Products include Cisco Unified Callmanager, Cisco Unified Communications Manager.

How do I fix CVE-2007-5537?

No fix has been published for CVE-2007-5537 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-2007-5537 being exploited?

There is no known exploitation of CVE-2007-5537 in the wild and no public exploit code.

All Cisco Unified Communications Manager vulnerabilities

Sources

Also known as GHSA-62w5-fwxx-rpgg.

Is CVE-2007-5537 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free