CVE-2006-6302
fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers...
fail2ban 0.7.4 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 login name containing certain strings with an IP address.
Exploit likelihood
What each source reports
NVD Score used
fail2ban 0.7.4 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 login name containing certain strings with an IP address.
- Record
CVE-2006-6302- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
fail2ban 0.7.4 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 login name containing certain strings with an IP address.
- Record
CVE-2006-6302- Updated
- 2026-11-02
EUVDEUVD-2006-6285 No score
fail2ban 0.7.4 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 login name containing certain strings with an IP address.
- Record
EUVD-2006-6285- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j744-4wh9-3vxg No score
fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers...
fail2ban 0.7.4 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 login name containing certain strings with an IP address.
- Record
GHSA-j744-4wh9-3vxg- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-6302 is a medium vulnerability (CVSS 5.0) in Fail2ban, published December 6, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. No source names a fixed version.
References
security.gentoo.org/glsa/glsa-200702-05.xml
bugs.gentoo.org/show_bug.cgi?id=157166
secunia.com/advisories/23237
exchange.xforce.ibmcloud.com/vulnerabilities/30739
securityfocus.com/bid/21469
vupen.com/english/advisories/2006/4877
nvd.nist.gov/vuln/detail/CVE-2006-6302
github.com/advisories/GHSA-j744-4wh9-3vxg