CVE-2009-3109

Name: CVE-2009-3109
Creator: NVD / NIST
Published: 2009-09-08T23:30:00.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.76%

Last modified Jun 16, 2026

CVE-2009-3109 is a vulnerability of currently unknown severity. Unspecified vulnerability in the AClient agent in Symantec Altiris Deployment Solution 6.9.x before 6.9 SP3 Build 430, when key-based authentication is being used between a deployment server and a client, allows remote attackers to bypass authentication and execute arbitrary commands as SYSTEM by spoofing the deployment server and sending "alternate commands" before the handshake is completed.. EPSS estimates a 3.76% chance of exploitation in the next 30 days.

Description

Unspecified vulnerability in the AClient agent in Symantec Altiris Deployment Solution 6.9.x before 6.9 SP3 Build 430, when key-based authentication is being used between a deployment server and a client, allows remote attackers to bypass authentication and execute arbitrary commands as SYSTEM by spoofing the deployment server and sending "alternate commands" before the handshake is completed.

Metrics

EPSS Probability

3.76%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Symantec	Altiris Deployment Solution	6.9

References

Timeline

Published: Sep 8, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-3109?

How severe is CVE-2009-3109?

Severity scoring for CVE-2009-3109 is pending analysis. The EPSS model estimates a 3.76% probability of exploitation in the next 30 days.

How do I fix CVE-2009-3109?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-3109?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST