CVE-2024-39836

Munged email address used for password resets and notifications

State: Published
Severity: 4.8 Medium
Published: Aug 22, 2024
Updated: Aug 22, 2024
Reserved: Aug 20, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N	Mattermost

Weaknesses

CWE-693 Protection Mechanism Failure

Affected Products

Product	Versions
MattermostMattermost	9.9.0 through 9.9.1Affected 9.5.0 through 9.5.7Affected 9.10.0Affected 9.8.0 through 9.8.2Affected 9.11.0Not affected 9.9.2Not affected 9.5.8Not affected 9.10.1Not affected 9.8.3Not affected

References

https://mattermost.com/security-updates

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