CVE-2014-2683

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.

Published: 2014-11-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-2683 is rated Moderate Risk (49.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.56%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-2683

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-12 2.97% 2.56% -0.42%
2 2025-03-30 2.05% 2.97% +0.92%
3 2025-03-29 2.05%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2683

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-2683

GitHub Security Advisory for CVE-2014-2683

GHSA-5wm2-38q5-5rxv · Severity: medium · Ecosystem: composer — Several Zend Products Vulnerable to XXE and XEE attacks

OS Trackers for CVE-2014-2683

vendor priority summary link
ubuntu medium CVE-2014-2683 medium priority: Ubuntu including 1 source packages (zendframework), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): DNE 3, ignored 1, released 1. https://ubuntu.com/security/CVE-2014-2683

Affected software / configurations for CVE-2014-2683

Vendor Product Version Raw CPE
zend zendrest <= 2.0.1 cpe:2.3:a:zend:zendrest:*:*:*:*:*:*:*:*
zend zend_framework < 1.12.4 cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
zend zend_framework >= 2.1.0, < 2.1.6 cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
zend zend_framework >= 2.2.0, < 2.2.6 cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
zend zendservice_slideshare <= 2.0.1 cpe:2.3:a:zend:zendservice_slideshare:*:*:*:*:*:*:*:*
zend zendservice_api <= 1.0.0 cpe:2.3:a:zend:zendservice_api:*:*:*:*:*:*:*:*
zend zendservice_audioscrobbler <= 2.0.1 cpe:2.3:a:zend:zendservice_audioscrobbler:*:*:*:*:*:*:*:*
zend zendservice_amazon <= 2.0.2 cpe:2.3:a:zend:zendservice_amazon:*:*:*:*:*:*:*:*
zend zendservice_technorati <= 2.0.1 cpe:2.3:a:zend:zendservice_technorati:*:*:*:*:*:*:*:*
zend zendservice_windowsazure <= 2.0.1 cpe:2.3:a:zend:zendservice_windowsazure:*:*:*:*:*:*:*:*
zend zendopenid <= 2.0.1 cpe:2.3:a:zend:zendopenid:*:*:*:*:*:*:*:*
zend zendservice_nirvanix <= 2.0.1 cpe:2.3:a:zend:zendservice_nirvanix:*:*:*:*:*:*:*:*

References for CVE-2014-2683

cvelogic Threat Intelligence