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Fencer Vulns
high 7.5

CVE-2005-3393 json

Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code v…

published 2005-11-01 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3392

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

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.

Patch / fix

  • openvpn Debian 14, Debian 13, Debian 12 2.0.5-1

debian advisories DEBIAN-CVE-2005-3393

  • openvpn openSUSE Tumbleweed 2.5.3-1.2

opensuse advisories openSUSE-SU-2024:11128-1

Exploit prediction

3.48% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.