CVE-2013-7294

Exp

The ikev2parent_inI1outR1 function in pluto/ikev2_parent.c in libreswan before 3.7 allows remote attackers to cause a denial of service (restart) via an IKEv2 I1 notification without a KE payload.

Published: 2014-01-16 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-7294 is rated Exploit Available (59.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.90%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2013-7294

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-7294

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 1.73% 0.90% -0.83%
2 2025-03-29 0.90% 1.73% +0.83%
3 2025-03-17 0.90%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-7294

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-2013-7294

OS Trackers for CVE-2013-7294

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2013-7294

Affected software / configurations for CVE-2013-7294

Vendor Product Version Raw CPE
libreswan libreswan <= 3.6 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:*:*:*:*:*:*:*

References for CVE-2013-7294

cvelogic Threat Intelligence