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CVE-2013-7294

18
FAUCET Score

CVE-2013-7294 describes a denial-of-service vulnerability in libreswan versions prior to 3.7. Specifically, the ikev2parent_inI1outR1 function in pluto/ikev2_parent.c allows remote attackers to trigger a system restart by sending an IKEv2 I1 notification that lacks a KE payload. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6CPE matchmatch criteria
cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:libreswan:libreswan:3.0:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:libreswan:libreswan:3.1:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:libreswan:libreswan:3.2:*:*:*:*:*:*:*
3.3CPE matchmatch criteria
cpe:2.3:a:libreswan:libreswan:3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.55%
Probability of exploitation in next 30 days
EPSS Percentile
83.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0255 is in the 75th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-7294Moderate

libreswan: DoS via an IKEv2 I1 notification

Nov 26, 2013

References

secunia.com / advisories/56276
Vendor Advisory
secunia.com / advisories/56915
github.com / libreswan/libreswan/commit/2899351224fe2940aec37d7656e1e392c0fe07f0
ExploitPatch
lists.libreswan.org / pipermail/swan-announce/2013/000007.html
Vendor Advisory
osvdb.org / 101573