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Vulnerability record · CVE-2009-3109 · published 8 September 2009

CVE-2009-3109: Symantec altiris deployment solution vulnerability

Symantec · Altiris Deployment Solution

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.

9.3 CVSS 2.0 High EPSS 3.8% · top 10.5%
9.3CVSS 2.0 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/36502 Vendor Advisory
http://www.securityfocus.com/bid/36112 Patch
http://www.securitytracker.com/id?1022779
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2
http://secunia.com/advisories/36502 Vendor Advisory
http://www.securityfocus.com/bid/36112 Patch
http://www.securitytracker.com/id?1022779
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-3109), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.