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Fencer Vulns
critical 10.0

CVE-2024-21663 json

Remote code execution on ReconServer due to improper input sanitization on the prips command

published 2024-01-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19287

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Discord-Recon is a Discord bot created to automate bug bounty recon, automated scans and information gathering via a discord server. Discord-Recon is vulnerable to remote code execution. An attacker is able to execute shell commands in the server without having an admin role. This vulnerability has been fixed in version 0.0.8.

Patch / fix

  • demon1a discord-recon 0.0.8

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/DEMON1A/Discord-Recon/security/advisories/GHSA-fjcj-g7x8-4rp7 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/DEMON1A/Discord-Recon/issues/23 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • DEMON1A Discord-Recon

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-77 Improper Neutralization of Special Elements used in a 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.