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Fencer Vulns
critical 10.0

CVE-2009-0545 in the critical feed json

cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the t…

published 2009-02-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0549

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
90.4%
EPSS 90.4% chance of exploitation in 30 days, percentile 99.8%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a NoAuthREQ x509List action.

Patch / fix

Timeline

  1. First public exploit (EDB-8023)
  2. Published

Exploit prediction

90.39% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.