CVE-2006-4981

CVE-2006-4981 is a medium-severity vulnerability in Symantec Sygate Network Access Control with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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).

Frequently asked questions

What is CVE-2006-4981?
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).
How severe is CVE-2006-4981?
CVE-2006-4981 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2006-4981 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4981?
CVE-2006-4981 affects Symantec Sygate Network Access Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4981?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4981 published?
CVE-2006-4981 was published on 2006-09-26 and last updated on 2026-06-16.

References

Affected products (1)