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CVE-2012-6531

20
FAUCET Score

CVE-2012-6531 describes an XML External Entity (XXE) injection vulnerability affecting Zend Framework 1.x versions prior to 1.11.13 and 1.12.x prior to 1.12.0. Specifically, the Zend_Dom, Zend_Feed, and Zend_Soap components fail to properly handle SimpleXMLElement classes, allowing remote attackers to exploit external entity references within DOCTYPE elements in XML-RPC requests. This vulnerability carries a CVSS score of 6.4, indicating a medium severity, and allows for potential information disclosure (reading arbitrary files) or the creation of TCP connections. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.4CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:1.0.4:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:1.5.0:*:*:*:*:*:*:*
1.5.1CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:1.5.1:*:*:*:*:*:*:*
1.5.2CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:1.5.2:*:*:*:*:*:*:*
1.5.3CPE matchmatch criteria
cpe:2.3:a:zend:zend_framework:1.5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 75th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: zendframework/zendframework1Fixed in: 1.11.13
composerpatch availablevia ghsa
Product: zendframework/zendframework1Fixed in: 1.12.0

Vendor Advisories (1)

composerGHSA-h5p3-7mg6-hgj4medium

Zend Framework XEE Vulnerability

May 17, 2022

References

framework.zend.com / security/advisory/ZF2012-01
Vendor Advisory
sec-consult.com / files/20120626-0_zend_framework_xxe_injection.txt
debian.org / security/2012/dsa-2505
openwall.com / lists/oss-security/2012/06/26/2
openwall.com / lists/oss-security/2012/06/26/4
openwall.com / lists/oss-security/2012/06/27/2