HOMEVULNERABILITIESCVE-2006-4981
MEDIUM

CVE-2006-4981

NVD-CWE-OtherPublished: September 26, 2006· Updated: Jun 16, 2026

4.6
CVSS v3.1

Official 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).

NVD Source

Technical Analysis

CVE-2006-4981 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

symantec1 product(s)
sygate network access control
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

Quick Facts

CVE IDCVE-2006-4981
CVSS Score4.6 / 10
SeverityMEDIUM
CISA KEVNo
Affected1 vendor(s)
PublishedSep 26, 2006

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2006-4981 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.