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CVE-2011-3272

7.8 · HIGH

The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) v…

Published Oct 3, 2011ciscoCWE-399EPSS 2.56%

Overview

CVE-2011-3272 is a high-severity vulnerability affecting cisco ios. It was published on October 3, 2011 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) via malformed IP SLA packets, aka Bug ID CSCtk67073.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reftools.cisco.com/security/center/viewAlert.x?alertId=24122Refwww.cisco.com/en/US/products/products_security_advisory09186a0080b95d4c.shtmlRefwww.securitytracker.com/id?1026120Reftools.cisco.com/security/center/viewAlert.x?alertId=24122Refwww.cisco.com/en/US/products/products_security_advisory09186a0080b95d4c.shtmlRefwww.securitytracker.com/id?1026120

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3272?

CVE-2011-3272 is a high-severity vulnerability affecting cisco ios. It was published on October 3, 2011 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2011-3272?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3272?

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-3272?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3272 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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