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Case File

CVE-2009-5023

MEDIUM · CVSS 4.7 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2014-06-10 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2009-5023
Severity
MEDIUM
CVSS
4.7
EPSS
0.34%

Original NVD Description

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.