CVE-2014-2683

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: 2014-11-16 · updated 2026-06-17
Weakness: CWE-17

Description

Zend Framework 1 (ZF1) before 1.12.4, Zend Framework 2 before 2.1.6 and 2.2.x before 2.2.6, ZendOpenId, ZendRest, ZendService_AudioScrobbler, ZendService_Nirvanix, ZendService_SlideShare, ZendService_Technorati, and ZendService_WindowsAzure before 2.0.2, ZendService_Amazon before 2.0.3, and ZendService_Api before 1.0.0 allow remote attackers to cause a denial of service (CPU consumption) via (1) recursive or (2) circular references in an XML entity definition in an XML DOCTYPE declaration, aka an XML Entity Expansion (XEE) attack. NOTE: this issue exists because of an incomplete fix for CVE-2012-6532.

Affected products

Zend Technologies Zend Framework: before 1.12.4; from 2.1.0 before 2.1.6; from 2.2.0 before 2.2.6 — fixed in 1.12.4, 2.1.6, 2.2.6
Zendopenid: through 2.0.1
Zendrest: through 2.0.1
Zendservice Amazon: through 2.0.2
Zendservice Api: through 1.0.0
Zendservice Audioscrobbler: through 2.0.1
Zendservice Nirvanix: through 2.0.1
Zendservice Slideshare: through 2.0.1
Zendservice Technorati: through 2.0.1
Zendservice Windowsazure: through 2.0.1

How to fix

Upgrade to a fixed version: Zend Technologies Zend Framework 1.12.4, 2.1.6, 2.2.6. Check the vendor advisory for mitigations.

References

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