CVE-2024-39767— Spoofed push notifications from malicious server
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 Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.16.0 版本及之前版本存在安全漏洞，该漏洞源于在接收推送通知时，没有验证这些通知是否确实来自它们所声称的服务器。
Possible ATT&CK Techniques 1 AI
T1565.001 · Stored Data Manipulation
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I. Basic Information for CVE-2024-39767
Vulnerability Information
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Vulnerability Title
Spoofed push notifications from malicious server
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Mobile Apps versions <=2.16.0 fail to validate that the push notifications received for a server actually came from this serve that which allows a malicious server to send push notifications with another server’s diagnostic ID or server URL and have them show up in mobile apps as that server’s push notifications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost Mobile Apps 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.16.0 版本及之前版本存在安全漏洞，该漏洞源于在接收推送通知时，没有验证这些通知是否确实来自它们所声称的服务器。
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 ~ 2.16.0 | - |
|
II. Public POCs for CVE-2024-39767
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Same vendor: Mattermost
-
CVE-2026-18799
Mattermost Server fails to restrict Slack import account bin -
CVE-2026-16251
Mattermost local image proxy allows server memory exhaustion -
CVE-2026-18256
Private team metadata disclosure via the team search API -
CVE-2026-18223
Mattermost invitation tokens not bound to invited email addr -
CVE-2026-19076
Mattermost fails to reject OAuth application sessions in acc
Same weakness: CWE-287
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V. Comments for CVE-2024-39767
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