CVE-2012-6066
freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a...
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.
- Severity
- 9.3 HighCVSS 2.0, NVD
- Exploit chance
- 39.5%EPSS, 98th percentile
- Exploitation
- None known5 public exploits
- Fixed in
- No fix listedNo source names one
Description
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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Freesshd Authentication Bypass | 2010-08-11 |
| 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 |
| PoC in GitHub | bongbongco/CVE-2012-6066 | 2017-06-30 |
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 ListNo 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-2012-5940No 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-gh6rNo 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
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| 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.