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
Published Nov 14, 2007
7.2
HIGHCVSS 2.0
EPSS 0.37%
Description
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.
Affected products
No data.
Running on/with
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00366) | 28.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.37% (0.00366) | 28.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00034) | 6.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00051) | 22.03th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00051) | 20.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 18.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (8)
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626 third-party-advisoryx_refsource_IDEFENSE
- http://osvdb.org/40867 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/27678 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://www.securityfocus.com/bid/26420 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018943 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/3846 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38434 vdb-entryx_refsource_XF
- https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html x_refsource_CONFIRMPatch
| Link | Providers | Tags |
|---|---|---|
| http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626 | third-party-advisoryx_refsource_IDEFENSE | |
| http://osvdb.org/40867 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/27678 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://www.securityfocus.com/bid/26420 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018943 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/3846 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/38434 | vdb-entryx_refsource_XF | |
| https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html | x_refsource_CONFIRMPatch |
Change history (0)
No recorded changes yet.