How severe is CVE-2013-4552?

CVE-2013-4552 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-4552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4552?

CVE-2013-4552 affects Drupalauth Project Drupalauth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4552?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-4552 published?

CVE-2013-4552 was published on 2014-05-13 and last updated on 2026-06-16.

CVE-2013-4552

CVE-2013-4552 is a high-severity vulnerability in Drupalauth Project Drupalauth with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Drupalauth Project Drupalauth
Published: 2014-05-13
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4552?: 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.
How severe is CVE-2013-4552?: CVE-2013-4552 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-4552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4552?: CVE-2013-4552 affects Drupalauth Project Drupalauth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4552?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-4552 published?: CVE-2013-4552 was published on 2014-05-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:drupalauth_project:drupalauth:*:-:-:*:-:simplesamlphp:*:*

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