CVE-2021-21433

Name: CVE-2021-21433
Creator: NVD / NIST
Published: 2021-04-09T18:15:13.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.96%

Last modified Jun 17, 2026

CVE-2021-21433 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Discord Recon Server is a bot that allows you to do your reconnaissance process from your Discord. Remote code execution in version 0.0.1 would allow remote users to execute commands on the server resulting in serious issues. EPSS estimates a 2.96% chance of exploitation in the next 30 days.

Description

Discord Recon Server is a bot that allows you to do your reconnaissance process from your Discord. Remote code execution in version 0.0.1 would allow remote users to execute commands on the server resulting in serious issues. This flaw is patched in 0.0.2.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.96%

85.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Demon1a	Discord-Recon	< 0.0.2

References

https://github.com/DEMON1A/Discord-Recon/commit/26e2a084679679cccdeeabbb6889ce120eff7e50Patch, Third Party Advisory
https://github.com/DEMON1A/Discord-Recon/issues/6Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/DEMON1A/Discord-Recon/security/advisories/GHSA-65fm-5x64-gv9xThird Party Advisory
https://github.com/DEMON1A/Discord-Recon/commit/26e2a084679679cccdeeabbb6889ce120eff7e50Patch, Third Party Advisory
https://github.com/DEMON1A/Discord-Recon/issues/6Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/DEMON1A/Discord-Recon/security/advisories/GHSA-65fm-5x64-gv9xThird Party Advisory

Timeline

Published: Apr 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21433?

How severe is CVE-2021-21433?

CVE-2021-21433 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.96% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21433?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21433?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST