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.

Published: 2014-01-26 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6467 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.89%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-6467

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 1.70% 0.89% -0.81%
2 2025-03-29 0.89% 1.70% +0.81%
3 2025-03-17 — 0.89% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6467

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-6467

OS Trackers for CVE-2013-6467

vendor priority summary link
debian unimportant CVE-2013-6467 unimportant priority: Debian including 1 source packages (libreswan), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-6467
redhat medium — https://access.redhat.com/security/cve/CVE-2013-6467

NVD evaluator notes for CVE-2013-6467

Comment: Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476 NULL Pointer Dereference"

Affected software / configurations for CVE-2013-6467

Vendor Product Version Raw CPE
libreswan libreswan <= 3.7 cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*
libreswan libreswan 3.0 cpe:2.3:a:libreswan:libreswan:3.0:*:*:*:*:*:*:*
libreswan libreswan 3.1 cpe:2.3:a:libreswan:libreswan:3.1:*:*:*:*:*:*:*
libreswan libreswan 3.2 cpe:2.3:a:libreswan:libreswan:3.2:*:*:*:*:*:*:*
libreswan libreswan 3.3 cpe:2.3:a:libreswan:libreswan:3.3:*:*:*:*:*:*:*
libreswan libreswan 3.4 cpe:2.3:a:libreswan:libreswan:3.4:*:*:*:*:*:*:*
libreswan libreswan 3.5 cpe:2.3:a:libreswan:libreswan:3.5:*:*:*:*:*:*:*
libreswan libreswan 3.6 cpe:2.3:a:libreswan:libreswan:3.6:*:*:*:*:*:*:*

References for CVE-2013-6467

cvelogic Threat Intelligence