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Fencer Vulns
critical 10.0

CVE-1999-0509 in the critical feed json

Perl, sh, csh, or other shell interpreters are installed in the cgi-bin directory on a WWW site, which allows remote attackers to execute a…

published 1996-05-29 30 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0507

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
33.2%
EPSS 33.2% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Perl, sh, csh, or other shell interpreters are installed in the cgi-bin directory on a WWW site, which allows remote attackers to execute arbitrary commands.

Exploit prediction

33.16% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

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-94 Improper Control of Generation of Code

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.