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CVE-2023-5194— A system/user manager can demote / deactivate another manager

Quick assessment

Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在安全漏洞，该漏洞源于在降级和停用用户时无法正确验证权限。

CVSS 2.7 · Low EPSS 0.40% · P33
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I. Basic Information for CVE-2023-5194

Vulnerability Information
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Vulnerability Title
A system/user manager can demote / deactivate another manager
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在安全漏洞，该漏洞源于在降级和停用用户时无法正确验证权限。
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

Vendor Product Affected Versions CPE Subscribe
Mattermost Mattermost 0 ~ 8.1.0 -

II. Public POCs for CVE-2023-5194

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III. Intelligence Information for CVE-2023-5194

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Same Patch Batch · Mattermost · 2023-09-29 · 5 CVEs total

CVE-2023-5195 6.5 MEDIUM A team member can soft delete other teams that they are not part of
CVE-2023-5196 6.5 MEDIUM DoS via Channel Notification Properties
CVE-2023-5193 4.9 MEDIUM System Role with manage posts permission can read posts of Direct Messages
CVE-2023-5159 3.8 LOW A User Manager role with user edit permissions could manage/update bots

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-863

V. Comments for CVE-2023-5194

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