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
Published Sep 29, 2010
5.0
MEDIUMCVSS 2.0
EPSS 2.37%
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
No data.
Configuration 1
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.1
- 6.2
- 6.3
- 6.4
- 6.5
- 6.6
- 6.7
- 6.8
- 6.9
- 6.10
- 6.11
- 6.12
- 6.13
- 6.14
- 6.15
- 6.16
- 6.17
Configuration 2
- 5.x-1.0
- 5.x-1.1
- 5.x-1.2
- 5.x-1.3
- 5.x-1.x
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.37% (0.02372) | 83.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.37% (0.02372) | 81.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.73% (0.00730) | 70.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.58% (0.00585) | 78.89th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.48% (0.00478) | 75.53th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.49% (0.00490) | 75.57th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00412) | 73.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.83% (0.00828) | 79.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://drupal.org/node/880476 x_refsource_CONFIRMPatchVendor Advisory
- http://drupal.org/node/880480 x_refsource_CONFIRMPatchVendor Advisory
- http://marc.info/?l=oss-security&m=128418560705305&w=2 mailing-listx_refsource_MLIST
- http://marc.info/?l=oss-security&m=128440896914512&w=2 mailing-listx_refsource_MLIST
- http://www.debian.org/security/2010/dsa-2113 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/42388 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://drupal.org/node/880476 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://drupal.org/node/880480 | x_refsource_CONFIRMPatchVendor Advisory | |
| http://marc.info/?l=oss-security&m=128418560705305&w=2 | mailing-listx_refsource_MLIST | |
| http://marc.info/?l=oss-security&m=128440896914512&w=2 | mailing-listx_refsource_MLIST | |
| http://www.debian.org/security/2010/dsa-2113 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/42388 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.