The GenericConsumer class in the Consumer component in ZendOpenId before 2.0.2 and the Zend_OpenId_Consumer class in Zend Framework 1 before 1.12.4 violate the OpenID 2.0 protocol by ensuring only that at least one field is signed, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider
Published Sep 4, 2014
7.5
HIGHCVSS 2.0
EPSS 2.80%
Description
The GenericConsumer class in the Consumer component in ZendOpenId before 2.0.2 and the Zend_OpenId_Consumer class in Zend Framework 1 before 1.12.4 violate the OpenID 2.0 protocol by ensuring only that at least one field is signed, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.
Affected products
No data.
Configuration 1
- ≤ 1.12.3
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.1
- 1.6.2
- 1.7.0
- 1.7.0
- 1.7.0
- 1.7.1
- 1.7.2
- 1.7.3
- 1.7.3
- 1.7.4
- 1.7.5
- 1.7.6
- 1.7.7
- 1.7.8
- 1.7.9
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.1
- 1.8.2
- 1.8.3
- 1.8.4
- 1.8.4
- 1.8.5
- 1.9.0
- 1.9.0
- 1.9.0
- 1.9.0
- 1.9.1
- 1.9.2
- 1.9.3
- 1.9.3
- 1.9.4
- 1.9.5
- 1.9.6
- 1.9.7
- 1.9.8
- 1.10.0
- 1.10.0
- 1.10.0
- 1.10.0
- 1.10.1
- 1.10.2
- 1.10.3
- 1.10.4
- 1.10.5
- 1.10.6
- 1.10.7
- 1.10.8
- 1.10.9
- 1.11.0
- 1.11.0
- 1.11.0
- 1.11.1
- 1.11.2
- 1.11.3
- 1.11.4
- 1.11.5
- 1.11.6
- 1.11.7
- 1.11.8
- 1.11.9
- 1.11.10
- 1.11.11
- 1.11.12
- 1.11.13
- 1.12.0
- 1.12.0
- 1.12.0
- 1.12.0
- 1.12.0
- 1.12.1
- 1.12.2
Configuration 2
- ≤ 2.0.1
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:P/I:P/A:P
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.80% (0.02802) | 85.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.80% (0.02802) | 84.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.51% (0.00514) | 64.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.56% (0.01563) | 87.74th | v3 (v2023.03.01) |
| Apr 16, 2024 | 1.56% (0.01563) | 87.03th | v3 (v2023.03.01) |
| Feb 29, 2024 | 1.79% (0.01785) | 87.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.10% (0.02101) | 87.35th | 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://advisories.mageia.org/MGASA-2014-0151.html x_refsource_CONFIRM
- http://framework.zend.com/security/advisory/ZF2014-02 x_refsource_CONFIRMVendor Advisory
- http://seclists.org/oss-sec/2014/q2/0 mailing-listx_refsource_MLIST
- http://www.debian.org/security/2015/dsa-3265 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:072 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/66358 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://advisories.mageia.org/MGASA-2014-0151.html | x_refsource_CONFIRM | |
| http://framework.zend.com/security/advisory/ZF2014-02 | x_refsource_CONFIRMVendor Advisory | |
| http://seclists.org/oss-sec/2014/q2/0 | mailing-listx_refsource_MLIST | |
| http://www.debian.org/security/2015/dsa-3265 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2014:072 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/66358 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.