Vulnerability Monitor

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CVE-2009-4527

The Shibboleth authentication module 5.x before 5.x-3.4 and 6.x before 6.x-3.2, a module for Drupal, does not properly remove statically granted privileges after a logout or other session change, which allows physically proximate attackers to gain privileges by using an unattended web browser.

Security Impact Summary

CVE-2009-4527 is a security vulnerability that . Impacting 2 products from niif, from drupal organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-12-31T19:30:00.577

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	niif	shib_auth	5.x-1.x	Yes
Application	niif	shib_auth	5.x-2.1	Yes
Application	niif	shib_auth	5.x-2.2	Yes
Application	niif	shib_auth	5.x-2.4	Yes
Application	niif	shib_auth	5.x-2.5	Yes
Application	niif	shib_auth	5.x-2.x	Yes
Application	niif	shib_auth	5.x-3.3	Yes
Application	niif	shib_auth	5.x-3.x	Yes
Application	niif	shib_auth	6.x-1.x	Yes
Application	niif	shib_auth	6.x-2.0	Yes
Application	niif	shib_auth	6.x-2.1	Yes
Application	niif	shib_auth	6.x-2.2	Yes
Application	niif	shib_auth	6.x-2.x	Yes
Application	niif	shib_auth	6.x-3.0	Yes
Application	niif	shib_auth	6.x-3.0	Yes
Application	niif	shib_auth	6.x-3.1	Yes
Application	niif	shib_auth	6.x-3.x	Yes
Application	drupal	drupal	*	No

References

http://drupal.org/node/604488 Patch, Vendor Advisory ([email protected])
http://secunia.com/advisories/37057 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/36684 ([email protected])
http://www.vupen.com/english/advisories/2009/2919 Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/53779 ([email protected])
http://drupal.org/node/604488 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37057 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/36684 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/2919 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/53779 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For niif's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.