kbrain

CVE-2007-5667

HIGH · CVSS 7.2EPSS 0.4%EU EUVD

NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server 2003 makes the \.\nwfilter device available for arbitrary user-mode input via METHOD_NEITHER IOCTLs, which allows local users to gain privileges by passing a kernel address as an argument and overwriting kernel memory locations.

Key facts

CVSS score
7.2 (v2.0)
Severity
HIGH
CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
0.4% (31th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-5639)
Published
November 14, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-5639 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / windows 2000
  • microsoft / windows 2000
  • microsoft / windows 2000
  • microsoft / windows 2000
  • microsoft / windows 2000
  • microsoft / windows 2000
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows 2003 server
  • microsoft / windows server 2003
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • novell / client
  • novell / client
  • novell / client
  • novell / client

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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