CVE-2012-4494

The Shibboleth authentication module 7.x-4.0 for Drupal does not properly check the active status of users, which allows remote blocked users to access bypass intended access restrictions and possibly have other impacts by logging in.

Published: 2012-10-31 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4494 is rated Low Risk (39.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.08%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4494

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.36% 1.08% +0.72%
2 2025-03-17 0.19% 0.36% +0.16%
3 2024-09-17 — 0.19% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4494

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-4494

Affected software / configurations for CVE-2012-4494

Vendor Product Version Raw CPE
niif shibb_auth 7.x-4.0 cpe:2.3:a:niif:shibb_auth:7.x-4.0:*:*:*:*:*:*:*

References for CVE-2012-4494

cvelogic Threat Intelligence