VDB

CVE-2007-4321

CVE-2007-4321 PUBLISHED CVSS 6.800000190734863 MEDIUM

fail2ban 0.8 and earlier 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 version identification containing an IP address string, a different vector than CVE-2006-6302.

EPSS 5.75% · 93.0th percentile

Risk Scores

CVSS 2.0
6.800000190734863
EPSS Score
5.75%
93.0th percentile

Affected Products

VendorProductVersions
fail2banfail2ban0.8
n/an/an/a

Timeline

  • Aug 14, 2007 CVE Published
  • Feb 4, 2022 EPSS Score
  • Mar 29, 2022 EPSS Score
  • Jul 13, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Dec 20, 2022 EPSS Score
  • Feb 11, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Apr 4, 2023 EPSS Score
  • May 4, 2023 EPSS Score
  • Jul 14, 2023 EPSS Score
  • Jul 19, 2023 EPSS Score
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