kbrain

CVE-2012-5642

HIGH · CVSS 7.5EPSS 3.1%EU EUVD

server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score
3.1% (88th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-5526)
Published
December 31, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-5526 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected 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
  • 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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