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  5. CVE-2023-6202

CVE-2023-6202: Improper Access Control

November 27, 2023 (updated November 28, 2023)

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.

References

  • github.com/advisories/GHSA-85jj-c9jr-9jhx
  • mattermost.com/security-updates
  • nvd.nist.gov/vuln/detail/CVE-2023-6202

Code Behaviors & Features

Detect and mitigate CVE-2023-6202 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 8.1.4, all versions starting from 9.0.0 before 9.0.2, all versions starting from 9.1.0 before 9.1.1

Fixed versions

  • 9.0.2
  • 9.1.1
  • 8.1.4

Solution

Upgrade to versions 9.0.2, 9.1.1, 8.1.4 or above.

Impact 4.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-284: Improper Access Control

Source file

go/github.com/mattermost/mattermost/server/v8/CVE-2023-6202.yml

Spotted a mistake? Edit the file on GitLab.

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