CVE-2023-5193— System Role with manage posts permission can read posts of Direct Messages
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I. Basic Information for CVE-2023-5193
Vulnerability Information
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Vulnerability Title
System Role with manage posts permission can read posts of Direct Messages
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
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，该漏洞源于在检索帖子时无法正确检查权限。
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 ~ 8.0.1 | - |
II. Public POCs for CVE-2023-5193
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2023-5159 | 3.8 LOW | A User Manager role with user edit permissions could manage/update bots |
| CVE-2023-5194 | 2.7 LOW | A system/user manager can demote / deactivate another manager |
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- CVE-2026-3590
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Same weakness: CWE-863
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V. Comments for CVE-2023-5193
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