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CVE-2011-1652

5.0 · MEDIUM

The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement (RA), a…

Published Apr 6, 2011microsoftCWE-16EPSS 12.33%

Overview

CVE-2011-1652 is a medium-severity vulnerability affecting microsoft windows_7. It was published on April 6, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The default configuration of Microsoft Windows 7 immediately prefers a new IPv6 and DHCPv6 service over a currently used IPv4 and DHCPv4 service upon receipt of an IPv6 Router Advertisement (RA), and does not provide an option to ignore an unexpected RA, which allows remote attackers to conduct man-in-the-middle attacks on communication with external IPv4 servers via vectors involving RAs, a DHCPv6 server, and NAT-PT on the local network, aka a "SLAAC Attack." NOTE: it can be argued that preferring IPv6 complies with RFC 3484, and that attempting to determine the legitimacy of an RA is currently outside the scope of recommended behavior of host operating systems

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_7 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

Refresources.infosecinstitute.com/slaac-attack/Reflists.immunityinc.com/pipermail/dailydave/20110404/000122.htmlRefresources.infosecinstitute.com/slaac-attack/Reflists.immunityinc.com/pipermail/dailydave/20110404/000122.html

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1652?

CVE-2011-1652 is a medium-severity vulnerability affecting microsoft windows_7. It was published on April 6, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2011-1652?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1652?

Check the references section for vendor advisories and patches from microsoft. Update windows_7 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-2011-1652?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1652 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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