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CVE-2006-4981

4.6 · MEDIUM

Symantec Sygate NAC allows physically proximate attackers to bypass control methods and join a local network by selecting a forged MAC address associated with an exception rule that (1) permits all…

Published Sep 26, 2006symantecEPSS 0.34%

Overview

CVE-2006-4981 is a medium-severity vulnerability affecting symantec sygate_network_access_control. It was published on September 26, 2006 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Symantec Sygate NAC allows physically proximate attackers to bypass control methods and join a local network by selecting a forged MAC address associated with an exception rule that (1) permits all non-Windows devices or (2) whitelists certain sets of Organizationally Unique Identifiers (OUIs).

Remediation

Check the references section for vendor advisories and patches from symantec. Update sygate_network_access_control 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

Refwww.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdfRefwww.securityfocus.com/archive/1/446421/100/0/threadedRefwww.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdfRefwww.securityfocus.com/archive/1/446421/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4981?

CVE-2006-4981 is a medium-severity vulnerability affecting symantec sygate_network_access_control. It was published on September 26, 2006 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2006-4981?

This vulnerability has a CVSS 2.0 base score of 4.6, 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-2006-4981?

Check the references section for vendor advisories and patches from symantec. Update sygate_network_access_control 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-2006-4981?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4981 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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