CVE-2024-21624

Name: CVE-2024-21624
Creator: NVD / NIST
Published: 2024-02-09T23:15:08.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2024-21624 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize `MessageTemplate` and incorporate user-provided data into templates. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize `MessageTemplate` and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Nonebot	Nonebot	>= 2.0.1, < 2.2.0
Nonebot	Nonebot	2.0.0

References

https://github.com/nonebot/nonebot2/pull/2509Issue Tracking, Patch
https://github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxgVendor Advisory
https://github.com/nonebot/nonebot2/pull/2509Issue Tracking, Patch
https://github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxgVendor Advisory

Timeline

Published: Feb 9, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-21624?

How severe is CVE-2024-21624?

CVE-2024-21624 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21624?

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-2024-21624?

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

Scan your code now

Source: NVD / NIST