CVE-2020-15251

Name: CVE-2020-15251
Creator: NVD / NIST
Published: 2020-10-13T18:15:12.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2020-15251 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In the Channelmgnt plug-in for Sopel (a Python IRC bot) before version 1.0.3, malicious users are able to op/voice and take over a channel. This is an ACL bypass vulnerability. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

In the Channelmgnt plug-in for Sopel (a Python IRC bot) before version 1.0.3, malicious users are able to op/voice and take over a channel. This is an ACL bypass vulnerability. This plugin is bundled with MirahezeBot-Plugins with versions from 9.0.0 and less than 9.0.2 affected. Version 9.0.2 includes 1.0.3 of channelmgnt, and thus is safe from this vulnerability. See referenced GHSA-23pc-4339-95vg.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mirahezebots	Channelmgnt	< 1.0.3

References

https://github.com/MirahezeBots/MirahezeBots/security/advisories/GHSA-23pc-4339-95vgThird Party Advisory
https://github.com/MirahezeBots/sopel-channelmgnt/pull/3Patch, Third Party Advisory
https://github.com/MirahezeBots/sopel-channelmgnt/security/advisories/GHSA-j257-jfvv-h3x5Third Party Advisory
https://phab.bots.miraheze.wiki/T117Broken Link
https://phab.bots.miraheze.wiki/phame/live/1/post/1/summary/Broken Link, Vendor Advisory
https://pypi.org/project/sopel-plugins.channelmgnt/Product, Third Party Advisory
https://github.com/MirahezeBots/MirahezeBots/security/advisories/GHSA-23pc-4339-95vgThird Party Advisory
https://github.com/MirahezeBots/sopel-channelmgnt/pull/3Patch, Third Party Advisory
https://github.com/MirahezeBots/sopel-channelmgnt/security/advisories/GHSA-j257-jfvv-h3x5Third Party Advisory
https://phab.bots.miraheze.wiki/T117Broken Link
https://phab.bots.miraheze.wiki/phame/live/1/post/1/summary/Broken Link, Vendor Advisory
https://pypi.org/project/sopel-plugins.channelmgnt/Product, Third Party Advisory

Timeline

Published: Oct 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15251?

How severe is CVE-2020-15251?

CVE-2020-15251 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15251?

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-2020-15251?

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

Scan your code now

Source: NVD / NIST