Home/CVE/Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest
CVE

CVE-2023-49874

Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest

Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.

MEDIUM · CVSS 4.3 EPSS 0.0011
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

5
mattermost server<= 7.8.14
mattermost server>= 8.0.0 and <= 8.1.5
mattermost server>= 9.0.0 and <= 9.0.3
mattermost server>= 9.1.1 and <= 9.1.2
mattermost server>= 9.2.0 and <= 9.2.1
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · responsibledisclosure@mattermost.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2023 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://mattermost.com/security-updatesIssue TrackingVendor Advisory
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