CVE-2013-7331

Name: CVE-2013-7331
Creator: NVD / NIST
Published: 2014-02-26T14:55:08.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10Actively ExploitedEPSS 58.02%

Last modified Jun 17, 2026

CVE-2013-7331 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 58.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS Probability

58.02%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 15, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Internet Explorer	6
Microsoft	Internet Explorer	7
Microsoft	Internet Explorer	8
Microsoft	Internet Explorer	9
Microsoft	Internet Explorer	10
Microsoft	Internet Explorer	11

References

http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.htmlThird Party Advisory
http://www.kb.cert.org/vuls/id/539289Third Party Advisory, US Government Resource
http://www.securitytracker.com/id/1030818Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052Patch, Vendor Advisory
https://soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetwork-in-error-messages/Exploit
http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.htmlThird Party Advisory
http://www.kb.cert.org/vuls/id/539289Third Party Advisory, US Government Resource
http://www.securitytracker.com/id/1030818Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052Patch, Vendor Advisory
https://soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetwork-in-error-messages/Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-7331US Government Resource

Timeline

Published: Feb 26, 2014
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2013-7331?

How severe is CVE-2013-7331?

CVE-2013-7331 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 58.02% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2013-7331?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-7331?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST