CVE-2024-39274
Last modified
CVE-2024-39274 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | >= 9.5.0, < 9.5.7 |
| Mattermost | Mattermost | >= 9.7.0, < 9.7.6 |
| Mattermost | Mattermost | >= 9.8.0, < 9.8.2 |
| Mattermost | Mattermost | 9.9.0 |
References
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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