CVE-2012-6066
freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-6066- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-6066- Updated
- 2026-11-02
EUVDEUVD-2012-5940 No score
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.
- Record
EUVD-2012-5940- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jmwc-3jq9-gh6r No score
freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a...
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.
- Record
GHSA-jmwc-3jq9-gh6r- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | freeFTPd 1.2.6 - Remote Authentication Bypass | 2012-12-02 |
| Exploit-DB | freeSSHd 2.1.3 - Remote Authentication Bypass | 2012-12-02 |
| Exploit-DB | freeSSHd 1.2.6 - Authentication Bypass (Metasploit) | 2013-01-15 |
| Metasploit | Freesshd Authentication Bypass | 2010-08-11 |
| PoC in GitHub | bongbongco/CVE-2012-6066 | 2017-06-30 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-6066 is a high vulnerability (CVSS 9.3) in Freesshd, published December 4, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 39.5%, the 98th percentile. No source names a fixed version.