CVE-2023-6458— Client side path traversal due to lack of route parameters validation
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/<TEAM_NAME>/channels/<CHANNEL_NAME>中的route参数。攻击者利用该漏洞可以访问存储在web根文件夹之外的文件和目录。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2023-6458
Vulnerability Information
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Vulnerability Title
Client side path traversal due to lack of route parameters validation
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 注入漏洞
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/<TEAM_NAME>/channels/<CHANNEL_NAME>中的route参数。攻击者利用该漏洞可以访问存储在web根文件夹之外的文件和目录。
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 ~ 9.1.1 | - |
|
II. Public POCs for CVE-2023-6458
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Same vendor: Mattermost
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CVE-2026-18799
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Same weakness: CWE-74
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V. Comments for CVE-2023-6458
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