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Fencer Vulns
high 8.8

CVE-2019-16663 in the critical feed json

An issue was discovered in rConfig 3.9.2.

published 2019-10-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7228

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
84.7%
EPSS 84.7% chance of exploitation in 30 days, percentile 99.7%
public exploits
1
Metasploit

Summary

An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to search.crud.php because the catCommand parameter is passed to the exec function without filtering, which can lead to command execution.

Timeline

  1. First public exploit (Metasploit exploit/unix/webapp/rconfig_install_cmd_exec)
  2. Published

Exploit prediction

84.70% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/unix/webapp/rconfig_install_cmd_exec rConfig install Command Execution metasploit exploit, excellent rank, 2019-10-28
  • gist.github.com https://gist.github.com/mhaskar/e7e454c7cb0dd9a139b0a43691e258a0 referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/open?id=1XmR2MSMb3cKARFk3XxmPkwz6GhAP1JxL referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/open?id=1kQGmboKfwob4RwlMjnv6ER2Za1GUptOi referenced PoC, tagged "exploit" by a source, unverified
  • shells.systems https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.