CVE-2009-2864 Denial of service in n/a
Remote attackers can cause a denial of service in Cisco Unified Communications Manager by sending malformed SIP messages, requiring an upgrade to fix.
- 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-2009-2864?
CVE-2009-2864 is a high-severity denial of service vulnerability in Cisco Unified Communications Manager, published on 28 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423.
Which versions are affected by CVE-2009-2864?
It affects 2 products.
Products include Cisco Unified Callmanager, Cisco Unified Communications Manager.
How do I fix CVE-2009-2864?
No fix has been published for CVE-2009-2864 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-2009-2864 being exploited?
There is no known exploitation of CVE-2009-2864 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Communications Manager
Sources
Also known as GHSA-mf92-5j9q-wjfr.