CVE-2021-41250

Name: CVE-2021-41250
Creator: NVD / NIST
Published: 2021-11-05T23:15:08.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2021-41250 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

Python discord bot is the community bot for the Python Discord community. In affected versions when a non-blacklisted URL and an otherwise triggering filter token is included in the same message the token filter does not trigger. This means that by including any non-blacklisted URL moderation filters can be bypassed. This issue has been resolved in commit 67390298852513d13e0213870e50fb3cff1424e0

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.74%

49.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Pythondiscord	Bot	< 67390298852513d13e0213870e50fb3cff1424e0

References

https://github.com/python-discord/bot/commit/67390298852513d13e0213870e50fb3cff1424e0Patch, Third Party Advisory
https://github.com/python-discord/bot/security/advisories/GHSA-j8c3-8x46-8pp6Patch, Third Party Advisory
https://github.com/python-discord/bot/commit/67390298852513d13e0213870e50fb3cff1424e0Patch, Third Party Advisory
https://github.com/python-discord/bot/security/advisories/GHSA-j8c3-8x46-8pp6Patch, Third Party Advisory

Timeline

Published: Nov 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41250?

How severe is CVE-2021-41250?

CVE-2021-41250 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41250?

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-2021-41250?

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

Scan your code now

Source: NVD / NIST