HOMEVULNERABILITIESCVE-2009-3109
CRITICAL

CVE-2009-3109

NVD-CWE-noinfoPublished: September 8, 2009· Updated: Jun 16, 2026

9.3
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2009-3109 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors & Products

symantec1 product(s)
altiris deployment solution
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://www.securityfocus.com/bid/36112
PATCHhttp://www.securityfocus.com/bid/36112
ADVISORYhttp://secunia.com/advisories/36502
ADVISORYhttp://secunia.com/advisories/36502

All References (8)

→
http://secunia.com/advisories/36502Vendor Advisory
→
http://www.securityfocus.com/bid/36112Patch
→
http://www.securitytracker.com/id?1022779
→
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2009&suid=20090826_00
→
http://secunia.com/advisories/36502Vendor Advisory
→
http://www.securityfocus.com/bid/36112Patch
→
http://www.securitytracker.com/id?1022779
→
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2009&suid=20090826_00

Quick Facts

CVE IDCVE-2009-3109
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedSep 8, 2009

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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2009-3109 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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