Known exploited vulnerability
CVE-2013-7331
The short answer
CVE-2013-7331 affects n/a n/a and is rated medium (CVSS 6.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-25: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
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.
Weakness: CWE-209.
Severity
6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Exploited (CISA KEV)
Yes, since May 25, 2022
Federal due date Jun 15, 2022
EPSS, next 30 days
50%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- Low
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052 PatchVendor Advisory
- soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetwork-in-error-messages/ Exploit
- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052 PatchVendor Advisory
- soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetwork-in-error-messages/ Exploit
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-7331 US Government Resource
Questions
Is CVE-2013-7331 being exploited?
Yes. CISA added CVE-2013-7331 to its Known Exploited Vulnerabilities catalog on 2022-05-25, with a federal remediation due date of 2022-06-15.
How do I fix CVE-2013-7331?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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