Vulnerability in Mattermost allows access to archived channels
CVE-2024-42406

5.4MEDIUM

Key Information:

Vendor

Mattermost
Status
Mattermost
Vendor
CVE Published:
26 September 2024

What is CVE-2024-42406?

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

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Affected Version(s)

Mattermost 9.11.0

Mattermost 9.10.0 <= 9.10.1

Mattermost 9.9.0 <= 9.9.2

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Daniel Espino Garcia
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