CVE-2009-0362
filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved
02 Description
filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-02-13 01:00Z17 YR AGO
- Last updated
- 2024-09-16 20:26Z2 YR AGO
- Reserved
- 2009-01-29
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.1
- Document digest
- c0d914c7271cd4c813afef6538fcdb637ac75d991e715ee2907a79da6b433d06
05 Affected products
06 References
- secunia.com33890http://secunia.com/advisories/33890
- www.securityfocus.com33734http://www.securityfocus.com/bid/33734
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163
07 Fixed in
Debian 12
- fail2ban Fixed in 0.8.3-2sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- fail2ban Fixed in 0.8.3-2sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- fail2ban Fixed in 0.8.3-2sid1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.