CVE-2009-3675

6.8 MEDIUM 25% exploit odds No fix listed Denial of service OS & kernel

What it is

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."

At a glance

Exploitability: Can be exploited over the network with a login. High risk of service disruption.
Exploit odds: 24.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2009-12-09 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:12 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 24.7% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2009-12-09 18:30 UTC
Last modified: 2026-06-16 23:12 UTC
Exploit probability: 24.7% · EPSS, next 30 days
Weakness: CWE-399
Record status: Modified

Affected

Microsoft Windows 2000 sp4
Microsoft Windows 2003 Server
Microsoft Windows Xp

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Low
Authentication: Single
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-3675.md and follow it. Check whether this project is affected by CVE-2009-3675. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record