HOMEVULNERABILITIESCVE-2012-6531
MEDIUM

CVE-2012-6531

CWE-20Published: February 13, 2013· Updated: Jun 16, 2026

6.4
CVSS v3.1

Official Description

(1) Zend_Dom, (2) Zend_Feed, and (3) Zend_Soap in Zend Framework 1.x before 1.11.13 and 1.12.x before 1.12.0 do not properly handle SimpleXMLElement classes, which allow remote attackers to read arbitrary files or create TCP connections via an external entity reference in a DOCTYPE element in an XML-RPC request, aka an XML external entity (XXE) injection attack, a different vulnerability than CVE-2012-3363.

NVD Source

Technical Analysis

CVE-2012-6531 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected Vendors & Products

zend1 product(s)
zend framework
Source: NVD CPE · 56 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://framework.zend.com/security/advisory/ZF2012-01
ADVISORYhttp://framework.zend.com/security/advisory/ZF2012-01

All References (12)

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

Quick Facts

CVE IDCVE-2012-6531
CVSS Score6.4 / 10
SeverityMEDIUM
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 13, 2013

Related CVEs (CWE-20)

CVE-2011-2092
10.0
CVE-2011-2681
10.0
CVE-2011-1849
10.0
CVE-2011-1268
10.0
CVE-2011-1853
10.0
CVE-2011-2764
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2012-6531 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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