VulnerabilityModified

CVE-2013-2944

strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.

MEDIUM 4.9EPSS 1.59%

Does this matter?

Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.

Description

strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.

CVSS 2.0: 4.9 MEDIUMAV:N/AC:M/Au:S/C:P/I:P/A:N
EPSS: 1.59% probability · 75th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-287
Affected: strongswan/strongswan
Source: cve@mitre.org

EPSS trend

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.