CVE-2010-3091

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-09-29 · updated 2026-06-16
Weakness: CWE-287

Description

The OpenID module in Drupal 6.x before 6.18, and the OpenID module 5.x before 5.x-1.4 for Drupal, violates the OpenID 2.0 protocol by not verifying the openid.return_to value, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.

Affected products

Drupal: 6.0, 6.0-beta1, 6.0-beta2, 6.0-beta3, 6.0-beta4, 6.0-dev (+21)
Peter Wolanin Openid: 5.x-1.0, 5.x-1.1, 5.x-1.2, 5.x-1.3, 5.x-1.x-dev

References

http://drupal.org/node/880476
http://drupal.org/node/880480
http://marc.info/?l=oss-security&m=128418560705305&w=2
http://marc.info/?l=oss-security&m=128440896914512&w=2
http://www.debian.org/security/2010/dsa-2113
http://www.securityfocus.com/bid/42388
http://drupal.org/node/880476
http://drupal.org/node/880480
http://marc.info/?l=oss-security&m=128418560705305&w=2
http://marc.info/?l=oss-security&m=128440896914512&w=2
http://www.debian.org/security/2010/dsa-2113
http://www.securityfocus.com/bid/42388

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