CVE-2009-5023
MEDIUM · CVSS 4.7EPSS 0.3%EU EUVD
The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.
Key facts
- CVSS score
- 4.7 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:N/I:C/A:N- Weakness (CWE)
- CWE-59
- EPSS score
- 0.3% (28th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4981)
- Published
- June 10, 2014
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-4981 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
- fail2ban / fail2ban
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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