CVE-2007-0844
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase...
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
Exploit likelihood
What each source reports
NVD Score used
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
CVE-2007-0844- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
CVE-2007-0844- Updated
- 2026-11-02
EUVDEUVD-2007-0841 No score
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
EUVD-2007-0841- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rqfq-63f3-qjmw No score
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase...
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
GHSA-rqfq-63f3-qjmw- Updated
- 2026-11-02
OSV No score
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
CVE-2007-0844- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-0844 No score
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.
- Record
DEBIAN-CVE-2007-0844- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libpam-sshDebian:13 |
before 1.91.0-9.2 | 1.91.0-9.2 |
libpam-sshDebian:14 |
before 1.91.0-9.2 | 1.91.0-9.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-0844 is a medium vulnerability (CVSS 6.4) in Pam Ssh Ssh, published February 8, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in libpam-ssh 1.91.0-9.2.