NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server…
Priority LOW 32CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00366 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_2000:*:*:adv_srv:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:*:datacenter_srv:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:*:pro:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:*:srv:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:*:*:srv:ja:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:itanium:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:std:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:wed:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:x64:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_2000:*:*:adv_srv:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:*:datacenter_srv:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:*:pro:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:*:srv:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:*:*:srv:ja:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:itanium:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:std:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:wed:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:x64:*:*:*:*:* Versions all versions Running on ·Microsoft
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_2003_server:*:*:x64-std:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:*:xp-64bit:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2003:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:64bit:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:embedded:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:ibm_oem:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:pro:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:tablet_pc:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:*:x64:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:novell:client:4.91:sp1:*:*:*:*:*:* | 4.91 sp1 | Vulnerable | Novell |
| cpe:2.3:a:novell:client:4.91:sp2:*:*:*:*:*:* | 4.91 sp2 | Vulnerable | Novell |
| cpe:2.3:a:novell:client:4.91:sp3:*:*:*:*:*:* | 4.91 sp3 | Vulnerable | Novell |
| cpe:2.3:a:novell:client:4.91:sp4:*:*:*:*:*:* | 4.91 sp4 | Vulnerable | Novell |
- cpe:2.3:o:microsoft:windows_2003_server:*:*:x64-std:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:*:xp-64bit:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2003:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:64bit:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:embedded:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:ibm_oem:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:media_center:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:pro:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:tablet_pc:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:*:x64:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:novell:client:4.91:sp1:*:*:*:*:*:* Versions 4.91 sp1 Vulnerable ·Novell
- cpe:2.3:a:novell:client:4.91:sp2:*:*:*:*:*:* Versions 4.91 sp2 Vulnerable ·Novell
- cpe:2.3:a:novell:client:4.91:sp3:*:*:*:*:*:* Versions 4.91 sp3 Vulnerable ·Novell
- cpe:2.3:a:novell:client:4.91:sp4:*:*:*:*:*:* Versions 4.91 sp4 Vulnerable ·Novell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-5667
- 2026-10-03 Alias added: GHSA-c6gm-3h36-cg93
References
More Novell Client vulnerabilities
- TI-2008-00608 Stack-based buffer overflow in the EnumPrinters function in the Spooler service… CVSS 2.0HIGH 10.0
- TI-2007-02860 Multiple stack-based buffer overflows in the Spooler service (nwspool.dll) in Novell… CVSS 2.0HIGH 10.0
- TI-2006-02244 Multiple integer overflows in the DPRPC library (DPRPCW32.DLL) in Novell Client 4.83 SP3… CVSS 2.0HIGH 10.0
- TI-2007-06396 Multiple stack-based buffer overflows in the Spooler service (nwspool.dll) in Novell… CVSS 2.0HIGH 10.0
- TI-2006-06190 Buffer overflow in the Novell Distributed Print Services (NDPS) Print Provider for… CVSS 2.0HIGH 10.0
- TI-2000-00790 Norton AntiVirus 5.00.01C with the Novell Netware client does not properly restart the… CVSS 2.0HIGH 10.0
Sources
- CVE-2007-5667 · CVE Program
- CVE-2007-5667 · NVD
- FIRST EPSS
- GHSA-c6gm-3h36-cg93 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences