CVE-2009-3104

Unspecified vulnerability in Symantec Norton AntiVirus 2005 through 2008; Norton Internet Security 2005 through 2008; AntiVirus Corporate Edition 9.0 before MR7, 10.0, 10.1 before MR8, and 10.2 before MR3; and Client Security 2.0 before MR7, 3.0, and 3.1 before MR8; when Internet Email Scanning is installed and enabled, allows remote attackers to cause a denial of service (CPU consumption and persistent connection loss) via unknown attack vectors.

Published: 2009-09-08 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-3104 is rated Moderate Risk (45.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.20%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-3104

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.59% 2.20% +0.61%
2 2025-03-30 1.78% 1.59% -0.19%
3 2025-03-29 1.78%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3104

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-3104

Affected software / configurations for CVE-2009-3104

Vendor Product Version Raw CPE
symantec antivirus 9.0 cpe:2.3:a:symantec:antivirus:9.0:*:corporate:*:*:*:*:*
symantec antivirus 9.0 cpe:2.3:a:symantec:antivirus:9.0:mr6:corporate:*:*:*:*:*
symantec antivirus 10.0 cpe:2.3:a:symantec:antivirus:10.0:*:corporate:*:*:*:*:*
symantec antivirus 10.0 cpe:2.3:a:symantec:antivirus:10.0:mr1:corporate:*:*:*:*:*
symantec antivirus 10.0 cpe:2.3:a:symantec:antivirus:10.0:mr2:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:*:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:mp1:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:mr4:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:mr5:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:mr6:corporate:*:*:*:*:*
symantec antivirus 10.1 cpe:2.3:a:symantec:antivirus:10.1:mr7:corporate:*:*:*:*:*
symantec antivirus 10.2 cpe:2.3:a:symantec:antivirus:10.2:*:corporate:*:*:*:*:*
symantec antivirus 10.2 cpe:2.3:a:symantec:antivirus:10.2:mr2:corporate:*:*:*:*:*
symantec client_security 2.0 cpe:2.3:a:symantec:client_security:2.0:*:*:*:*:*:*:*
symantec client_security 2.0 cpe:2.3:a:symantec:client_security:2.0:mr6:*:*:*:*:*:*
symantec client_security 3.0 cpe:2.3:a:symantec:client_security:3.0:*:*:*:*:*:*:*
symantec client_security 3.0 cpe:2.3:a:symantec:client_security:3.0:mr1:*:*:*:*:*:*
symantec client_security 3.0 cpe:2.3:a:symantec:client_security:3.0:mr2:*:*:*:*:*:*
symantec client_security 3.1 cpe:2.3:a:symantec:client_security:3.1:*:*:*:*:*:*:*
symantec client_security 3.1 cpe:2.3:a:symantec:client_security:3.1:mr4:*:*:*:*:*:*
symantec client_security 3.1 cpe:2.3:a:symantec:client_security:3.1:mr5:*:*:*:*:*:*
symantec client_security 3.1 cpe:2.3:a:symantec:client_security:3.1:mr6:*:*:*:*:*:*
symantec client_security 3.1 cpe:2.3:a:symantec:client_security:3.1:mr7:*:*:*:*:*:*
symantec norton_antivirus 2005 cpe:2.3:a:symantec:norton_antivirus:2005:*:*:*:*:*:*:*
symantec norton_antivirus 2006 cpe:2.3:a:symantec:norton_antivirus:2006:*:*:*:*:*:*:*
symantec norton_antivirus 2007 cpe:2.3:a:symantec:norton_antivirus:2007:*:*:*:*:*:*:*
symantec norton_antivirus 2008 cpe:2.3:a:symantec:norton_antivirus:2008:*:*:*:*:*:*:*
symantec norton_internet_security 2005 cpe:2.3:a:symantec:norton_internet_security:2005:*:*:*:*:*:*:*
symantec norton_internet_security 2006 cpe:2.3:a:symantec:norton_internet_security:2006:*:*:*:*:*:*:*
symantec norton_internet_security 2007 cpe:2.3:a:symantec:norton_internet_security:2007:*:*:*:*:*:*:*
symantec norton_internet_security 2008 cpe:2.3:a:symantec:norton_internet_security:2008:*:*:*:*:*:*:*

References for CVE-2009-3104

cvelogic Threat Intelligence