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Vulnerability record · CVE-2014-2685 · published 4 September 2014

CVE-2014-2685: Zend framework improper authentication vulnerability

Zend · Zend Framework

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.

7.5 CVSS 2.0 High EPSS 2.8% · top 14.1% CWE-287 · Improper authentication
7.5CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://advisories.mageia.org/MGASA-2014-0151.html
http://framework.zend.com/security/advisory/ZF2014-02 Vendor Advisory
http://seclists.org/oss-sec/2014/q2/0
http://www.debian.org/security/2015/dsa-3265
http://www.mandriva.com/security/advisories?name=MDVSA-2014:072
http://www.securityfocus.com/bid/66358
http://advisories.mageia.org/MGASA-2014-0151.html
http://framework.zend.com/security/advisory/ZF2014-02 Vendor Advisory
http://seclists.org/oss-sec/2014/q2/0
http://www.debian.org/security/2015/dsa-3265
http://www.mandriva.com/security/advisories?name=MDVSA-2014:072
http://www.securityfocus.com/bid/66358

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-2685), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.