CVE & CISA-KEV Catalog

CVE-2007-0844

MEDIUM
6.4
CVSS v2
NVD

Description

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.

How to fix

Remediation Available
libpam-sshDebian
Fixed in:1.91.0-9.2CVE-2007-0844
Fixed in:1.91.0-9.2CVE-2007-0844
Fixed in:1.91.0-9.2CVE-2007-0844

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.83%probability of exploitation in 30 days
53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.