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CVE-2013-3154

6.9 · MEDIUM

The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan ho…

Published Jul 10, 2013microsoftCWE-264EPSS 1.76%

Overview

CVE-2013-3154 is a medium-severity vulnerability affecting microsoft windows_defender. It was published on July 10, 2013 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka "Microsoft Windows 7 Defender Improper Pathname Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_defender to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refblogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspxRefwww.us-cert.gov/ncas/alerts/TA13-190ARefdocs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-058Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17253Refblogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspxRefwww.us-cert.gov/ncas/alerts/TA13-190ARefdocs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-058Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17253

How CyberStrike helps

Frequently asked questions

What is CVE-2013-3154?

CVE-2013-3154 is a medium-severity vulnerability affecting microsoft windows_defender. It was published on July 10, 2013 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

How severe is CVE-2013-3154?

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-3154?

Check the references section for vendor advisories and patches from microsoft. Update windows_defender to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-3154?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-3154 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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