CVE-2020-15251
Privilege Escalation in Channelmgnt plug-in for Sopel
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Privilege Escalation in Channelmgnt plug-in for Sopel
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.
- Record
CVE-2020-15251- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2020-0182
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.
- Record
EUVD-2020-0182- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j257-jfvv-h3x5
Privilege Escalation in Channelmgnt plug-in for Sopel
Impact
Malicious users are able to op/voice and take over a channel
Patches
On version 1.0.3
Workarounds
Disable channelmgnt
References
https://phab.bots.miraheze.wiki/T117
For more information
If you have any questions or comments about this advisory:
- Email us at staff(at)mirahezebots(dot)org
- Record
GHSA-j257-jfvv-h3x5- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-15251- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-863, CWE-862
- Updated
- 2026-11-02
OSVGHSA-j257-jfvv-h3x5
Privilege Escalation in Channelmgnt plug-in for Sopel
Impact
Malicious users are able to op/voice and take over a channel
Patches
On version 1.0.3
Workarounds
Disable channelmgnt
References
https://phab.bots.miraheze.wiki/T117
For more information
If you have any questions or comments about this advisory:
- Email us at staff(at)mirahezebots(dot)org
- Record
GHSA-j257-jfvv-h3x5- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-15251
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.
- Record
UBUNTU-CVE-2020-15251- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVPYSEC-2020-110 No score
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.
- Record
PYSEC-2020-110- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sopel-plugins-channelmgntPyPI |
before 1.0.3 | 1.0.3 |
sopel-plugins-channelmgntPyPI |
before 1.0.3, plus listed versions 1.0.01.0.11.0.2 |
1.0.3 |
sopelUbuntu:16.04:LTS |
All versions, plus listed versions 6.1.1-16.3.0-1 |
None known |
sopelUbuntu:18.04:LTS |
All versions, plus listed versions 6.5.0-1 |
None known |
sopelUbuntu:20.04:LTS |
All versions, plus listed versions 6.6.3-26.6.9-1 |
None known |
sopelUbuntu:22.04:LTS |
All versions, plus listed versions 6.6.9-16.6.9-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15251 is a high vulnerability (CVSS 7.7) in Mirahezebots Channelmgnt, published October 13, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in sopel-plugins-channelmgnt 1.0.3.
References
github.com/MirahezeBots/sopel-channelmgnt/security/advisories/GHSA-j257-jfvv-h3x5
phab.bots.miraheze.wiki/T117
pypi.org/project/sopel-plugins.channelmgnt