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CVE-2005-3393
Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code…
- 7.5HighCVSS base score
- 3.5%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 3.5% · top 11% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
12
- 17447 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 17480 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://openvpn.net/changelog.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SR:2005:025 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-200511-07 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 15239 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- OpenPKG-SA-2005.023 (opens in a new tab)vendor-advisoryx_refsource_OPENPKGx_transferred
- 17452 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2005-2255 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20051031 OpenVPN[v2.0.x]: foreign_option() formart string vulnerability. (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-885 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 17376 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2005-3392 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-3393)Record last updated .