CVE-2011-3271 Code injection in n/a

Critical 10.0 Published Updated

Remote attackers can execute arbitrary code or crash Cisco IOS devices via crafted TCP packets to port 4786.

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-2011-3271?

CVE-2011-3271 is a critical code injection 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

Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.

Which versions are affected by CVE-2011-3271?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2011-3271?

No fix has been published for CVE-2011-3271 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2011-3271 being exploited?

There is no known exploitation of CVE-2011-3271 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-pcxh-cf4j-89xg.

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