CVE-2011-3380

Name: CVE-2011-3380
Creator: NVD / NIST
Published: 2011-11-17T19:55:01.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.41%

Last modified Jun 16, 2026

CVE-2011-3380 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.41% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.41%

81.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Xelerance	Openswan	2.6.29
Xelerance	Openswan	2.6.30
Xelerance	Openswan	2.6.31
Xelerance	Openswan	2.6.32
Xelerance	Openswan	2.6.33
Xelerance	Openswan	2.6.34
Xelerance	Openswan	2.6.35

References

Timeline

Published: Nov 17, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3380?

How severe is CVE-2011-3380?

Severity scoring for CVE-2011-3380 is pending analysis. The EPSS model estimates a 2.41% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3380?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3380?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST