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CVE-2014-2891

15
FAUCET Score

CVE-2014-2891 describes a denial-of-service vulnerability affecting strongSwan versions prior to 5.1.2. Remote attackers can exploit this by sending a specially crafted ID_DER_ASN1_DN ID payload, leading to a NULL pointer dereference and a crash of the IKE daemon. The vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity, requiring no authentication, and resulting in a complete loss of availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1.2CPE matchmatch criteria
cpe:2.3:a:debian:strongswan:*:*:*:*:*:*:*:*
<= 5.1.1CPE matchmatch criteria
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*
5.0.0CPE matchmatch criteria
cpe:2.3:a:strongswan:strongswan:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:strongswan:strongswan:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:strongswan:strongswan:5.0.2:*:*:*:*:*:*:*

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
2.51%
Probability of exploitation in next 30 days
EPSS Percentile
83.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0251 is in the 75th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Advisories (1)

redhatCVE-2014-2891Moderate

strongswan: denial of service via crafted ID_DER_ASN1_DN_ID payload

May 5, 2014

References

lists.opensuse.org / opensuse-updates/2014-05/msg00064.html
lists.opensuse.org / opensuse-updates/2014-05/msg00066.html
secunia.com / advisories/59864
debian.org / security/2014/dsa-2922
securityfocus.com / bid/67212
strongswan.org / blog/2014/05/05/strongswan-denial-of-service-vulnerability-%28cve-2014-2891%29.html