How severe is CVE-2009-1782?

CVE-2009-1782 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-1782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1782?

CVE-2009-1782 primarily affects F-secure Anti-virus. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1782 published?

CVE-2009-1782 was published on 2009-05-22 and last updated on 2026-06-16.

CVE-2009-1782

CVE-2009-1782 is a medium-severity vulnerability in F-secure Anti-virus with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: F-secure Anti-virus
Published: 2009-05-22
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2009-1782?: CVE-2009-1782 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-1782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1782?: CVE-2009-1782 primarily affects F-secure Anti-virus. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1782 published?: CVE-2009-1782 was published on 2009-05-22 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:f-secure:anti-virus:*:-:linux_servers:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:inux_client_security:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:linux_server_security:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:mime_sweeper:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:microsoft_exchange:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:citrix_servers:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:windows_server:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:-:workstations:*:*:*:*:*
cpe:2.3:a:f-secure:anti-virus:*:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:client_security:*:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:home_server_security:*:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:internet_gatekeeper:*:-:linux:*:*:*:*:*
cpe:2.3:a:f-secure:internet_gatekeeper:*:-:linux_japanese:*:*:*:*:*
cpe:2.3:a:f-secure:internet_gatekeeper:*:-:windows:*:*:*:*:*
cpe:2.3:a:f-secure:internet_security:*:*:*:*:*:*:*:*
cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*

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