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I. Basic Information for CVE-2021-21431
Vulnerability Information

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Vulnerability Title
Improper Input Validation in sopel-plugins.channelmgnt
Source: NVD (National Vulnerability Database)
Vulnerability Description
sopel-channelmgnt is a channelmgnt plugin for sopel. In versions prior to 2.0.1, on some IRC servers, restrictions around the removal of the bot using the kick/kickban command could be bypassed when kicking multiple users at once. We also believe it may have been possible to remove users from other channels but due to the wonder that is IRC and following RfCs, We have no POC for that. Freenode is not affected. This is fixed in version 2.0.1. As a workaround, do not use this plugin on networks where TARGMAX > 1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
sario528 sopel-channelmgnt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sario528 sopel-channelmgnt是sario528开源的一个应用插件。适用于Sopel的Channelmgnt插件。 sopel-channelmgnt 2.0.1版本及之前版本存在安全漏洞,该漏洞源于同时踢多个用户时,可以绕过使用kick kickban命令删除机器人的限制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
MirahezeBotssopel-channelmgnt < 2.0.1 -
II. Public POCs for CVE-2021-21431
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III. Intelligence Information for CVE-2021-21431
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IV. Related Vulnerabilities
V. Comments for CVE-2021-21431

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