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Unrated severityNVD Advisory· Published Oct 30, 2007· Updated Jun 16, 2026

CVE-2007-5715

CVE-2007-5715

Description

DenyHosts 2.6 processes OpenSSH sshd "not listed in AllowUsers" log messages with an incorrect regular expression that does not match an IP address, which might allow remote attackers to avoid detection and blocking when making invalid login attempts with a username not present in AllowUsers, as demonstrated by the root username, a different vulnerability than CVE-2007-4323.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Denyhosts/Denyhosts2 versions
    cpe:2.3:a:denyhosts:denyhosts:2.6:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:denyhosts:denyhosts:2.6:*:*:*:*:*:*:*
    • (no CPE)range: =2.6

Patches

Vulnerability mechanics

References

3

News mentions

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