CVE-2012-6066 in the critical feed json
freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSS…
published 2012-12-04 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5940
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 39.5%
- EPSS 39.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 4
- Metasploit, Exploit-DB
Summary
freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.
Timeline
- First public exploit (Metasploit exploit/windows/ssh/freesshd_authbypass)
- Published
Exploit prediction
39.51% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/windows/ssh/freesshd_authbypass Freesshd Authentication Bypass metasploit exploit, excellent rank, 2010-08-11
- EDB-24133 freeSSHd 1.2.6 - Authentication Bypass (Metasploit) remote, 2013-01-15
- EDB-23080 freeSSHd 2.1.3 - Remote Authentication Bypass remote, 2012-12-02
- EDB-23079 freeFTPd 1.2.6 - Remote Authentication Bypass remote, 2012-12-02
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
Sources
- CVE List CVE-2012-6066
- NVD CVE-2012-6066
Fencer Intel 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.