Unsanitized events sent over Websocket to regular users in a High Availability environment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost | unaffected |
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Configuration 1 [-]
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No data.
No data available yet.
Vendor Solution
Update Mattermost to version v7.8.0, v7.1.6, v7.7.2, or higher.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-0949 | When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients. |
Github GHSA |
GHSA-8jhh-3jf2-pfwr | Mattermost vulnerable to information disclosure |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.546% probability within 30 days)
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates/ |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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