CVE DATABASE / CVE-2009-2523
CVE-2009-2523
CVSS 10 · HIGH
Summary
The License Logging Server (llssrv.exe) in Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via an RPC message containing a string without a null terminator, which triggers a heap-based buffer overflow in the LlsrLicenseRequestW method, aka "License Logging Server Heap Overflow Vulnerability."
CVSS 2.0 breakdown
| Base score | 10 (HIGH) |
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Confidentiality | COMPLETE |
| Integrity | COMPLETE |
| Availability | COMPLETE |
Weakness type (CWE)
Affected products
Microsoft windows 2000
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References
- http://www.us-cert.gov/cas/techalerts/TA09-314A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.