How severe is CVE-2014-2683?

CVE-2014-2683 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-2683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2683?

CVE-2014-2683 primarily affects Zend Zendrest. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2683?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-2683 published?

CVE-2014-2683 was published on 2014-11-16 and last updated on 2026-06-17.

CVE-2014-2683

CVE-2014-2683 is a medium-severity vulnerability in Zend Zendrest with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-17
Affected product: Zend Zendrest
Published: 2014-11-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-2683?: CVE-2014-2683 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-2683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2683?: CVE-2014-2683 primarily affects Zend Zendrest. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2683 published?: CVE-2014-2683 was published on 2014-11-16 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:zend:zendrest:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_slideshare:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_api:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_audioscrobbler:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_amazon:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_technorati:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_windowsazure:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendopenid:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_nirvanix:*:*:*:*:*:*:*:*

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CVE-2014-2682 — Medium (CVSS 6.8): 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,…
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