CVE-2023-5194 json
A system/user manager can demote / deactivate another manager
published 2023-09-29 3 y ago modified 2026-06-17 4 mo ago also GHSA-h69v-mvh9-hfrq , EUVD-2023-2518
- cvss
- 2.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
Patch / fix
- go github.com/mattermost/mattermost/server/v8 8.0.2, 8.1.1
- go github.com/mattermost/mattermost-server/v6 7.8.10
- Mattermost Mattermost 7.8.10, 8.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >=8.1.0, <8.1.1 >=8.0.0, <8.0.2 |
8.1.1 8.0.2 |
| go | github.com/mattermost/mattermost-server/v6 | <7.8.10 |
7.8.10 |
Affected products
- Mattermost Mattermost
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
mattermost.com
/security-updates
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-5194
advisory
-
github.com
/mattermost/mattermost
package
Sources
- CVE List CVE-2023-5194
- GitHub Advisory GHSA-h69v-mvh9-hfrq
- NVD CVE-2023-5194
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