CVE-2024-39274
8.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
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: total
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.