Vulnerability Monitor

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CVE-2009-3675

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."

Security Impact Summary

CVE-2009-3675 is a security vulnerability that . Impacting 3 products from microsoft, from microsoft, from microsoft organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-12-09T18:30:00.500

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_2000	sp4	Yes
Operating System	microsoft	windows_2003_server	*	Yes
Operating System	microsoft	windows_2003_server	-	Yes
Operating System	microsoft	windows_2003_server	-	Yes
Operating System	microsoft	windows_xp	*	Yes
Operating System	microsoft	windows_xp	*	Yes
Operating System	microsoft	windows_xp	-	Yes

References

http://www.us-cert.gov/cas/techalerts/TA09-342A.html US Government Resource ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-069 ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6639 ([email protected])
http://www.us-cert.gov/cas/techalerts/TA09-342A.html US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-069 (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6639 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.