CVE-2023-4107— Incorrect authorization allows a user manager to update a system admin
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2023-4107
Vulnerability Information
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Vulnerability Title
Incorrect authorization allows a user manager to update a system admin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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，该漏洞源于更新系统管理员时未正确验证请求用户的权限，从而允许用户管理员更新系统管理员的详细信息，如电子邮件、名字和姓氏。
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 ~ 7.8.7 | - |
II. Public POCs for CVE-2023-4107
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-08-11 · 4 CVEs total
| CVE-2023-4106 | 6.3 MEDIUM | A guest user can perform various actions on public playbooks |
| CVE-2023-4108 | 4.5 MEDIUM | Audit logging fails to sanitize post metadata |
| CVE-2023-4105 | 3.1 LOW | Attachment of deleted message in a thread remains accessible and downloadable |
IV. Related Vulnerabilities
Same product: Mattermost
- CVE-2026-10527
Boards plugin retains Board Admin rights for users demoted t - CVE-2026-15754
Missing per-channel team-scope check in ABAC access control - CVE-2026-16044
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Delegated OAuth tokens could revoke unrelated OAuth applicat - CVE-2026-16049
_GitLab Plugin allows cross-channel post injection and phish
Same vendor: Mattermost
- CVE-2026-10527
Boards plugin retains Board Admin rights for users demoted t - CVE-2026-15754
Missing per-channel team-scope check in ABAC access control - CVE-2026-16044
Insufficient validation of guest board admin privileges on a - CVE-2026-16045
Delegated OAuth tokens could revoke unrelated OAuth applicat - CVE-2026-16049
_GitLab Plugin allows cross-channel post injection and phish
Same weakness: CWE-863
- CVE-2026-66792
Multicloud-operators-subscription: multicloud-operators-subs - CVE-2026-10527
Boards plugin retains Board Admin rights for users demoted t - CVE-2026-15754
Missing per-channel team-scope check in ABAC access control - CVE-2026-16044
Insufficient validation of guest board admin privileges on a - CVE-2026-16045
Delegated OAuth tokens could revoke unrelated OAuth applicat
V. Comments for CVE-2023-4107
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