How severe is CVE-2013-6467?

CVE-2013-6467 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-6467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6467?

CVE-2013-6467 primarily affects Libreswan. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6467?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6467 published?

CVE-2013-6467 was published on 2014-01-26 and last updated on 2026-06-17.

CVE-2013-6467

CVE-2013-6467 is a medium-severity vulnerability in Libreswan with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Libreswan
Published: 2014-01-26
Last modified: 2026-06-17

Description

Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.

Frequently asked questions

What is CVE-2013-6467?: Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.
How severe is CVE-2013-6467?: CVE-2013-6467 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-6467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6467?: CVE-2013-6467 primarily affects Libreswan. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6467 published?: CVE-2013-6467 was published on 2014-01-26 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.0:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.1:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.2:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.3:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.4:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.5:*:*:*:*:*:*:*
cpe:2.3:a:libreswan:libreswan:3.6:*:*:*:*:*:*:*

More vulnerabilities in Libreswan

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