CVE-2005-3393

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 82.1%
KEV: Not listed

Published

November 1, 2005

Last Modified

April 16, 2026

References (24)

cve@mitrehttp://marc.info/?l=bugtraq&m=113081023121059&w=2
cve@mitrehttp://openvpn.net/changelog.html
cve@mitrehttp://secunia.com/advisories/17376
cve@mitrehttp://secunia.com/advisories/17447
cve@mitrehttp://secunia.com/advisories/17452
cve@mitrehttp://secunia.com/advisories/17480
cve@mitrehttp://www.debian.org/security/2005/dsa-885
cve@mitrehttp://www.gentoo.org/security/en/glsa/glsa-200511-07.xml
cve@mitrehttp://www.novell.com/linux/security/advisories/2005_25_sr.html
cve@mitrehttp://www.securityfocus.com/archive/1/415487
cve@mitrehttp://www.securityfocus.com/bid/15239
cve@mitrehttp://www.vupen.com/english/advisories/2005/2255
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=113081023121059&w=2
af854a3a-2127-422b-91ae-364da2661108http://openvpn.net/changelog.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17376

Data Freshness Timeline

(refreshed 12× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 01:06 UTCOSV refresh
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2005-3393?

CVE-2005-3393 is a none vulnerability published on November 1, 2005. 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.

When was CVE-2005-3393 disclosed?

CVE-2005-3393 was first published in the National Vulnerability Database on November 1, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-3393 actively exploited?

CVE-2005-3393 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-3393?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-3393, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2005-3393

📅 Published

🔄 Last Modified

🔗 References (24)