CVE-2024-39836
Medium
Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.
SeverityMedium
CVSS4.8
Exploit probability18. percentile0.3%
Product
Mattermost
PublishedAug 22, 2024
First seenAug 22, 2024
Weakness typeCWE-693CWE-693
How to fix
Update
- mattermost mattermost9.5.8, 9.8.3, 9.9.2, 9.10.1 or later
- github.com/mattermost/mattermost/server/v89.9.2, 9.5.8, 9.10.1, 9.8.3 or later
- github.com/mattermost/mattermost-server9.5.8+incompatible, 9.8.3+incompatible, 9.9.2+incompatible, 9.10.1+incompatible or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost | 9.5.0 ≤ v < 9.5.8, 9.8.0 ≤ v < 9.8.3, 9.9.0 ≤ v < 9.9.2, 9.10.0 ≤ v < 9.10.1 | 9.5.8, 9.8.3, 9.9.2, 9.10.1 |
| github.com/mattermost/mattermost/server/v8Go | 9.9.0 ≤ v < 9.9.2, 9.5.0 ≤ v < 9.5.8, 9.10.0 ≤ v < 9.10.1, 9.8.0 ≤ v < 9.8.3, No range specified | 9.9.2, 9.5.8, 9.10.1, 9.8.3 |
| github.com/mattermost/mattermost-serverGo | 9.5.0+incompatible ≤ v < 9.5.8+incompatible, 9.8.0+incompatible ≤ v < 9.8.3+incompatible, 9.9.0+incompatible ≤ v < 9.9.2+incompatible, 9.10.0+incompatible ≤ v < 9.10.1+incompatible | 9.5.8+incompatible, 9.8.3+incompatible, 9.9.2+incompatible, 9.10.1+incompatible |
| github.com/mattermost/mattermost-server/v5Go | No range specified | — |
| github.com/mattermost/mattermost-server/v6Go | No range specified | — |
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