CVE-2023-5339— Mattermost Desktop logs all keystrokes during initial run after fresh installation
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 Desktop 存在安全漏洞，该漏洞源于在初始运行安装期间无法设置适当的日志级别，导致记录所有击键，包括记录密码输入。
Possible ATT&CK Techniques 1 AI
T1056.001 · Keylogging
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I. Basic Information for CVE-2023-5339
Vulnerability Information
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Vulnerability Title
Mattermost Desktop logs all keystrokes during initial run after fresh installation
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 日志信息泄露漏洞
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 Desktop 存在安全漏洞，该漏洞源于在初始运行安装期间无法设置适当的日志级别，导致记录所有击键，包括记录密码输入。
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 ~ 5.4.0 | - |
|
II. Public POCs for CVE-2023-5339
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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CVE-2026-18799
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Same weakness: CWE-200
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V. Comments for CVE-2023-5339
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