LSASS.exe in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows…
Priority MEDIUM 51CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
LSASS.exe in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 allows remote authenticated users to cause a denial of service (CPU consumption) via a malformed ISAKMP request over IPsec, aka "Local Security Authority Subsystem Service Resource Exhaustion Vulnerability."
Why it matters now
EPSS 0.24705 97th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_2000:sp4:*:*:*:*:*:*:* | sp4 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:-:sp2:itanium:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_2003_server:-:sp2:x64:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_2000:sp4:*:*:*:*:*:*:* Versions sp4 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:-:sp2:itanium:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_2003_server:-:sp2:x64:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3675
- 2026-10-03 Alias added: GHSA-3v2j-hm2p-q5qg
References
Other 1
More Microsoft Windows 2000 vulnerabilities
- TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2009-01458 Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in… KEVCVSS 3.1HIGH 8.8
- TI-2010-00224 The kernel in Microsoft Windows NT 3.1 through Windows 7, including Windows 2000 SP4… KEVCVSS 3.1HIGH 7.8
- TI-2009-01065 The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold… KEVCVSS 3.1HIGH 7.8
- TI-2004-00181 The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to… KEVCVSS 3.1HIGH 7.8
- TI-2002-00354 smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2009-3675 · CVE Program
- CVE-2009-3675 · NVD
- FIRST EPSS
- GHSA-3v2j-hm2p-q5qg · 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