Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.
References
History

Thu, 16 Jan 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 16 Jan 2025 18:30:00 +0000

Type Values Removed Values Added
Description Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.
Title Webapp crash via object that can't be cast to String in Attachment Field
Weaknesses CWE-1287
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2025-01-16T18:57:02.927Z

Reserved: 2025-01-16T18:10:41.926Z

Link: CVE-2025-20621

cve-icon Vulnrichment

Updated: 2025-01-16T18:56:57.789Z

cve-icon NVD

Status : Received

Published: 2025-01-16T19:15:29.960

Modified: 2025-01-16T19:15:29.960

Link: CVE-2025-20621

cve-icon Redhat

No data.