CVE-2011-3270 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service on Cisco 10000 series routers by sending crafted ICMP packets, requiring an IOS upgrade.

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-2011-3270?

CVE-2011-3270 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

Unspecified vulnerability in Cisco IOS 12.2SB before 12.2(33)SB10 and 15.0S before 15.0(1)S3a on Cisco 10000 series routers allows remote attackers to cause a denial of service (device reload) via a sequence of crafted ICMP packets, aka Bug ID CSCtk62453.

Which versions are affected by CVE-2011-3270?

It affects 2 products.

Products include Cisco 10008 Router, Cisco Ios.

How do I fix CVE-2011-3270?

No fix has been published for CVE-2011-3270 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-2011-3270 being exploited?

There is no known exploitation of CVE-2011-3270 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-89f3-h7gw-qrq3.

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