CVE-2024-39839
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 9.9.0 | affected |
| Mattermost | Mattermost | 9.5.0 <= 9.5.6 | affected |
| Mattermost | Mattermost | 9.7.0 <= 9.7.5 | affected |
| Mattermost | Mattermost | 9.8.0 <= 9.8.1 | affected |
| Mattermost | Mattermost | 9.10.0 | unaffected |
| Mattermost | Mattermost | 9.9.1 | unaffected |
| Mattermost | Mattermost | 9.5.7 | unaffected |
| Mattermost | Mattermost | 9.7.6 | unaffected |
| Mattermost | Mattermost | 9.8.2 | unaffected |
Weaknesses
- CWE-284: CWE-284: Improper Access Control
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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