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CVE-2010-3091

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…

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.

Timeline

  1. ID reserved

    By redhat

  2. · 40 days later

    Published

  3. · 14 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2010-3091, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium5.0AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS (exploitation in 30 days)
2.4% · top 16% of all CVEs (9 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Affected products

  • n/a

    • affected n/a

References

6

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2010-3091 badge
[![CVE-2010-3091](https://cveledger.app/badge/CVE-2010-3091.svg)](https://cveledger.app/cve/CVE-2010-3091)

Record last updated .