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denyhosts vulnerabilities

3 published CVES affecting denyhosts, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
3
Critical
0
High
0
Medium
3
Low
0
Unscored
0
CISA KEV
0
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Latest denyhosts CVEs

Newest publication first

  1. CVE-2007-5715 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 detecti...

    Published
    MediumCVSS 4.3 EPSS 1.1%

    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 i...

  2. CVE-2007-4323 DenyHosts 2.6 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to...

    Published
    MediumCVSS 6.8 EPSS 1.5%

    DenyHosts 2.6 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol...

  3. CVE-2006-6301 DenyHosts 2.5 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to...

    Published
    MediumCVSS 5.0 EPSS 1.9%

    DenyHosts 2.5 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name cont...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.