CVE-2013-7331

MEDIUM KEV RANSOMWARE

Internet Explorer - Information Disclosure via Microsoft.XMLDOM ActiveX Error Codes

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2013-7331 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 25, 2022, with confirmed use in ransomware campaigns. EIP tracks 1 public exploit from researchers including Soroush Dalili, sinn3r, including a Metasploit module auxiliary/gather/ms14_052_xmldom.

AI-analyzed exploit summary This Metasploit module exploits CVE-2013-7331 (MS14-052) to enumerate local filenames on a target machine via Internet Explorer 8/9 by abusing the Microsoft XMLDOM object's error messages. It sends a crafted HTML page to the victim and collects file existence data via an AJAX callback.

Description

The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and exploited in the wild in February 2014.

Exploits (1)

metasploit WORKING POC
by Soroush Dalili, sinn3r · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/ms14_052_xmldom.rb

This Metasploit module exploits CVE-2013-7331 (MS14-052) to enumerate local filenames on a target machine via Internet Explorer 8/9 by abusing the Microsoft XMLDOM object's error messages. It sends a crafted HTML page to the victim and collects file existence data via an AJAX callback.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Internet Explorer 8.0, 9.0
No auth needed
Prerequisites: Victim must visit a malicious webpage using IE 8/9 · Attacker must provide a list of target file paths
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1030818
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/539289

Scores

CVSS v3 6.5
EPSS 0.8181
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact partial

Details

CISA KEV 2022-05-25
VulnCheck KEV 2014-02-26
InTheWild.io 2019-05-14
ENISA EUVD EUVD-2013-7105
Ransomware Use Confirmed
CWE
CWE-209
Status published
Products (6)
microsoft/internet_explorer 6
microsoft/internet_explorer 7
microsoft/internet_explorer 8
microsoft/internet_explorer 9
microsoft/internet_explorer 10
microsoft/internet_explorer 11
Published Feb 26, 2014
KEV Added May 25, 2022
Tracked Since Feb 18, 2026