CVE-2009-1782

Multiple F-Secure anti-virus products, including Anti-Virus for Microsoft Exchange 7.10 and earlier; Internet Gatekeeper for Windows 6.61 and earlier, Windows 6.61 and earlier, and Linux 2.16 and earlier; Internet Security 2009 and earlier, Anti-Virus 2009 and earlier, Client Security 8.0 and earlier, and others; allow remote attackers to bypass malware detection via a crafted (1) ZIP and (2) RAR archive.

Published: 2009-05-22 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1782 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.65%). 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-2009-1782

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 2025-03-17 1.33% 0.65% -0.68%
2 2023-10-09 1.19% 1.33% +0.14%
3 2023-03-07 — 1.19% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1782

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2009-1782

Affected software / configurations for CVE-2009-1782

Vendor Product Version Raw CPE
f-secure anti-virus <= 4.65 cpe:2.3:a:f-secure:anti-virus:*:-:linux_servers:*:*:*:*:*
f-secure anti-virus <= 5.54 cpe:2.3:a:f-secure:anti-virus:*:-:inux_client_security:*:*:*:*:*
f-secure anti-virus <= 5.54 cpe:2.3:a:f-secure:anti-virus:*:-:linux_server_security:*:*:*:*:*
f-secure anti-virus <= 5.61 cpe:2.3:a:f-secure:anti-virus:*:-:mime_sweeper:*:*:*:*:*
f-secure anti-virus <= 6.62 cpe:2.3:a:f-secure:anti-virus:*:-:microsoft_exchange:*:*:*:*:*
f-secure anti-virus <= 7.00 cpe:2.3:a:f-secure:anti-virus:*:-:citrix_servers:*:*:*:*:*
f-secure anti-virus <= 7.0 cpe:2.3:a:f-secure:anti-virus:*:-:microsoft_exchange:*:*:*:*:*
f-secure anti-virus <= 7.10 cpe:2.3:a:f-secure:anti-virus:*:-:microsoft_exchange:*:*:*:*:*
f-secure anti-virus <= 8.00 cpe:2.3:a:f-secure:anti-virus:*:-:windows_server:*:*:*:*:*
f-secure anti-virus <= 8.0 cpe:2.3:a:f-secure:anti-virus:*:-:workstations:*:*:*:*:*
f-secure anti-virus <= 2009 cpe:2.3:a:f-secure:anti-virus:*:*:*:*:*:*:*:*
f-secure client_security <= 8.0 cpe:2.3:a:f-secure:client_security:*:*:*:*:*:*:*:*
f-secure home_server_security <= 2009 cpe:2.3:a:f-secure:home_server_security:*:*:*:*:*:*:*:*
f-secure internet_gatekeeper <= 2.16 cpe:2.3:a:f-secure:internet_gatekeeper:*:-:linux:*:*:*:*:*
f-secure internet_gatekeeper <= 3.01 cpe:2.3:a:f-secure:internet_gatekeeper:*:-:linux_japanese:*:*:*:*:*
f-secure internet_gatekeeper <= 6.61 cpe:2.3:a:f-secure:internet_gatekeeper:*:-:windows:*:*:*:*:*
f-secure internet_security <= 2009 cpe:2.3:a:f-secure:internet_security:*:*:*:*:*:*:*:*
f-secure linux_security <= 7.01 cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*
f-secure linux_security <= 7.02 cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*

References for CVE-2009-1782

cvelogic Threat Intelligence