Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2011-3380

5.0 · MEDIUM

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute,…

Published Nov 17, 2011xeleranceEPSS 2.27%

Overview

CVE-2011-3380 is a medium-severity vulnerability affecting xelerance openswan. It was published on November 17, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.

Remediation

Check the references section for vendor advisories and patches from xelerance. Update openswan 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

Refsecunia.com/advisories/46306Refwww.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txtRefwww.redhat.com/support/errata/RHSA-2011-1356.htmlRefsecunia.com/advisories/46306Refwww.openswan.org/download/CVE-2011-3380/CVE-2011-3380.txtRefwww.redhat.com/support/errata/RHSA-2011-1356.html

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3380?

CVE-2011-3380 is a medium-severity vulnerability affecting xelerance openswan. It was published on November 17, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-3380?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3380?

Check the references section for vendor advisories and patches from xelerance. Update openswan 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-2011-3380?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3380 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.

Related MEDIUM CVEs from 2011

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999