CVE-2024-43813— IDOR when marking read a user's channel
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I. Basic Information for CVE-2024-43813
Vulnerability Information
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Vulnerability Title
IDOR when marking read a user's channel
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
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 9.5.x版本至9.5.7版本和9.10.x版本至9.10.0版本存在安全漏洞，该漏洞源于未能强制执行适当的访问控制，允许任何经过身份验证的用户将任何团队内的任何频道标记为对任何用户已读。
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 | 9.5.0 ~ 9.5.7 | - |
II. Public POCs for CVE-2024-43813
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2024-08-22 · 10 CVEs total
| CVE-2024-42497 | 6.0 MEDIUM | Insufficient permissions checks on teams |
| CVE-2024-42411 | 5.3 MEDIUM | User creation date manipulation in POST /api/v4/users |
| CVE-2024-39810 | 4.9 MEDIUM | Server crash via Elasticsearch certificate file |
| CVE-2024-39836 | 4.8 MEDIUM | Munged email address used for password resets and notifications |
| CVE-2024-8071 | 4.7 MEDIUM | System Role with edit access to permissions can elevate themselves to system admin |
| CVE-2024-40886 | 4.6 MEDIUM | One-click Client-Side Path Traversal Leading to CSRF in User Management admin page |
| CVE-2024-32939 | 4.3 MEDIUM | Email addresses of remote users visible in props regardless of server settings |
| CVE-2024-43780 | 4.3 MEDIUM | Unauthorized channel file upload |
| CVE-2024-40884 | 2.7 LOW | Unauthorized disabling of invite URL |
IV. Related Vulnerabilities
Same product: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same vendor: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same weakness: CWE-284
- CVE-2026-8233
Dotouch XproUPF access control - CVE-2026-42569
phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2024-43813
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