CVE-2024-5272 - CVE House
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Status published Medium CVE-2024-5272

Run Details leak to guest via webhook event "custom_playbooks_playbook_run_updated"

Vulnerability Description

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to restrict the audience of the "custom_playbooks_playbook_run_updated" webhook event, which allows a guest on a channel with a playbook run linked to see all the details of the playbook run when the run is marked by finished.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • BhaRat (hackit_bharat)

References

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
9.5.0, 9.6.0, 8.1.0, 9.7.0, 9.5.4, 9.6.2, 8.1.13

Timeline

Official Publish: May 26th, 2024
Last Modified: August 1st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-284

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1078 Valid Accounts
Persistence
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact