CVE-2024-2447
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，该漏洞源于无法验证某些类型的后期操作的来源。以下版本受到影响：8.1.x版本至8.1.11之前版本、9.3.x版本至9.3.3之前版本、9.4.x版本至9.4.4之前版本、9.5.x版本至9.5.2之前版本。
Possible ATT&CK Techniques 1 AI
T1133 · External Remote Services
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I. Basic Information for CVE-2024-2447
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
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，该漏洞源于无法验证某些类型的后期操作的来源。以下版本受到影响：8.1.x版本至8.1.11之前版本、9.3.x版本至9.3.3之前版本、9.4.x版本至9.4.4之前版本、9.5.x版本至9.5.2之前版本。
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 ~ 9.5.1 | - |
|
II. Public POCs for CVE-2024-2447
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · Mattermost · 2024-04-05 · 4 CVEs total
| CVE-2024-29221 | 4.7 MEDIUM | Invite ID available to team admins even without the "Add Members" permission |
| CVE-2024-28949 | 4.3 MEDIUM | DoS via a large number of User Preferences |
| CVE-2024-21848 | 3.1 LOW | Users maintain access to active call after being removed from a channel |
IV. Related Vulnerabilities
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Same vendor: Mattermost
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CVE-2026-75587
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Mattermost thread memberships persist after team removal, ex -
CVE-2026-9859
Mattermost Boards plugin didn’t enforce role-based authoriza -
CVE-2026-9816
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CVE-2026-10080
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Same weakness: CWE-284
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V. Comments for CVE-2024-2447
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