Is CVE-2005-3393 in the CISA KEV catalog?

No. CVE-2005-3393 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-3393?

CVE-2005-3393 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2005-3393?

CVE-2005-3393 has an EPSS score of 3.48% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-3393?

Upgrade openvpn on debian 11 to 2.0.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2005-3393

HIGHEPSS 88th pctl

7.5

CVSS v2

NVD

Description

Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option.

How to fix

Remediation Available

openvpnDebian

Fixed in:2.0.5-1CVE-2005-3393

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.48%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch2

Other references10

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.