Is CVE-2013-4552 being actively exploited?

CVE-2013-4552 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4552?

CVE-2013-4552 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2013-4552

HIGH · CVSS 7.5EPSS 1.4%EU EUVD

lib/Auth/Source/External.php in the drupalauth module before 1.2.2 for simpleSAMLphp allows remote attackers to authenticate as an arbitrary user via the user name (uid) in a cookie.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-287
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4411)
Published: May 13, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4411 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

drupalauth project / drupalauth

References

http://www.openwall.com/lists/oss-security/2013/11/05/1(Patch)
http://www.openwall.com/lists/oss-security/2013/11/08/6(Patch)
https://code.google.com/p/drupalauth/issues/detail?id=9(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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