Is CVE-2011-3380 being actively exploited?

CVE-2011-3380 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-3380?

CVE-2011-3380 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-3380

MEDIUM · CVSS 5.0EPSS 2.3%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 2.3% (83th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3343)
Published: November 17, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3343 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

xelerance / openswan
xelerance / openswan
xelerance / openswan
xelerance / openswan
xelerance / openswan
xelerance / openswan
xelerance / openswan

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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