How severe is CVE-2024-21663?

CVE-2024-21663 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-21663 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21663?

CVE-2024-21663 primarily affects Demon1a Discord-recon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21663?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-21663 have an EU (EUVD) identifier?

Yes. CVE-2024-21663 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19287.

When was CVE-2024-21663 published?

CVE-2024-21663 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2024-21663

CVE-2024-21663 is a critical-severity vulnerability in Demon1a Discord-recon with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19287
Weakness: CWE-77
Affected product: Demon1a Discord-recon
Published: 2024-01-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-21663?: 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.
How severe is CVE-2024-21663?: CVE-2024-21663 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-21663 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21663?: CVE-2024-21663 primarily affects Demon1a Discord-recon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21663?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-21663 have an EU (EUVD) identifier?: Yes. CVE-2024-21663 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19287.
When was CVE-2024-21663 published?: CVE-2024-21663 was published on 2024-01-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:demon1a:discord-recon:*:*:*:*:*:discord:*:*
cpe:2.3:a:demon1a:discord-recon:0.0.8:beta:*:*:*:discord:*:*

More vulnerabilities in Demon1a Discord-recon

CVE-2021-21433 — Critical (CVSS 9.9): Discord Recon Server is a bot that allows you to do your reconnaissance process from your Discord. Remote code…
CVE-2021-29461 — High (CVSS 8.1): Discord Recon Server is a bot that allows one to do one's reconnaissance process from one's Discord. A vulnerability in…

All CVEs affecting Demon1a Discord-recon →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →