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CVE-2016-0049

6.2 · MEDIUM

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate pas…

Published Feb 10, 2016CWE-255EPSS 13.07%

Overview

CVE-2016-0049 is a medium-severity vulnerability. It was published on February 10, 2016 and has a CVSS 3.0 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Kerberos in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, and Windows 10 Gold and 1511 does not properly validate password changes, which allows remote attackers to bypass authentication by deploying a crafted Key Distribution Center (KDC) and then performing a sign-in action, aka "Windows Kerberos Security Feature Bypass."

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refpacketstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.htmlRefwww.securityfocus.com/bid/82535Refwww.securitytracker.com/id/1034985Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014Refwww.exploit-db.com/exploits/39442/Refpacketstormsecurity.com/files/135797/Windows-Kerberos-Security-Feature-Bypass.htmlRefwww.securityfocus.com/bid/82535Refwww.securitytracker.com/id/1034985Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-014Refwww.exploit-db.com/exploits/39442/

How CyberStrike helps

Frequently asked questions

What is CVE-2016-0049?

CVE-2016-0049 is a medium-severity vulnerability. It was published on February 10, 2016 and has a CVSS 3.0 base score of 6.2 (MEDIUM).

How severe is CVE-2016-0049?

This vulnerability has a CVSS 3.0 base score of 6.2, 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-2016-0049?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-0049?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-0049 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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