How severe is CVE-2005-2986?

CVE-2005-2986 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-2986 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2986?

CVE-2005-2986 primarily affects Ahnlab V3 Virusblock 2005. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2986?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-2986 published?

CVE-2005-2986 was published on 2005-09-20 and last updated on 2026-06-16.

CVE-2005-2986

CVE-2005-2986 is a high-severity vulnerability in Ahnlab V3 Virusblock 2005 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ahnlab V3 Virusblock 2005
Published: 2005-09-20
Last modified: 2026-06-16

Description

The v3flt2k.sys driver in AhnLab V3Pro 2004 Build 6.0.0.383, V3 VirusBlock 2005 Build 6.0.0.383, V3Net for Windows Server 6.0 Build 6.0.0.383 does not properly validate the source of the DeviceIoControl commands, which allows remote attackers to gain privileges.

Frequently asked questions

What is CVE-2005-2986?: The v3flt2k.sys driver in AhnLab V3Pro 2004 Build 6.0.0.383, V3 VirusBlock 2005 Build 6.0.0.383, V3Net for Windows Server 6.0 Build 6.0.0.383 does not properly validate the source of the DeviceIoControl commands, which allows remote attackers to gain privileges.
How severe is CVE-2005-2986?: CVE-2005-2986 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2986 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2986?: CVE-2005-2986 primarily affects Ahnlab V3 Virusblock 2005. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2986?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-2986 published?: CVE-2005-2986 was published on 2005-09-20 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:ahnlab:v3_virusblock_2005:6.0.0.383:*:*:*:*:*:*:*
cpe:2.3:a:ahnlab:v3net:6.0.0.383:*:win_server:*:*:*:*:*
cpe:2.3:a:ahnlab:v3pro_2004:6.0.0.383:*:*:*:*:*:*:*

More vulnerabilities in Ahnlab V3 Virusblock 2005

CVE-2005-3029 — High (CVSS 7.5): Stack-based buffer overflow in AhnLab V3Pro 2004 build 6.0.0.383, V3 VirusBlock 2005 build 6.0.0.383, and V3Net for…
CVE-2005-3030 — Medium (CVSS 5.0): Directory traversal vulnerability in the archive decompression library in AhnLab V3Pro 2004 build 6.0.0.383, V3…

All CVEs affecting Ahnlab V3 Virusblock 2005 →