CVE-2011-0946 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service on Cisco IOS devices by sending malformed LDAP traffic to the NAT implementation.

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-2011-0946?

CVE-2011-0946 is a high-severity denial of service vulnerability in Cisco Ios, published on 3 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) via malformed NetMeeting Directory (aka Internet Locator Service or ILS) LDAP traffic, aka Bug ID CSCtd10712.

Which versions are affected by CVE-2011-0946?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2011-0946?

No fix has been published for CVE-2011-0946 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-2011-0946 being exploited?

There is no known exploitation of CVE-2011-0946 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-ppj2-93h5-6pq7.

Is CVE-2011-0946 in your software?

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

Check your SBOMs for free