CVE-2009-2868 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service in Cisco IOS via crafted requests when certificate-based IKE authentication is enabled.

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-2009-2868?

CVE-2009-2868 is a high-severity denial of service vulnerability in Cisco Ios, published on 28 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.

Which versions are affected by CVE-2009-2868?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2009-2868?

No fix has been published for CVE-2009-2868 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-2009-2868 being exploited?

There is no known exploitation of CVE-2009-2868 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-35r5-pw6j-5f37.

Is CVE-2009-2868 in your software?

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

Check your SBOMs for free