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CVE-2009-3109

25
FAUCET Score

CVE-2009-3109 describes an unspecified vulnerability in the AClient agent of Symantec Altiris Deployment Solution 6.9.x prior to 6.9 SP3 Build 430. This flaw allows remote attackers to bypass authentication and execute arbitrary commands as SYSTEM by spoofing the deployment server and sending "alternate commands" before the key-based authentication handshake is complete. With a CVSS score of 9.3, this vulnerability is critical, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.9CPE matchmatch criteria
cpe:2.3:a:symantec:altiris_deployment_solution:6.9:*:*:*:*:*:*:*
6.9CPE matchmatch criteria
cpe:2.3:a:symantec:altiris_deployment_solution:6.9:sp1:*:*:*:*:*:*
6.9CPE matchmatch criteria
cpe:2.3:a:symantec:altiris_deployment_solution:6.9:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.76%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0376 is in the 50th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/36502
Vendor Advisory
securityfocus.com / bid/36112
Patch
securitytracker.com / id
symantec.com / security_response/securityupdates/detail.jsp