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.
https://code.google.com/p/drupalauth/issues/detail?id=9
http://www.openwall.com/lists/oss-security/2013/11/08/6
http://www.openwall.com/lists/oss-security/2013/11/05/1
Source: Mitre, NVD
Published: 2014-05-13
Updated: 2026-06-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00478