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CVE-2025-21088

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CVE-2025-21088

Published: Jan 15, 2025

Modified: Jan 15, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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 validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.

VendorProductVersions

Mattermost

Mattermost

affected
10.2.0
affected
9.11.0 - <= 9.11.5
affected
10.0.0 - <= 10.0.3
affected
10.1.0 - <= 10.1.3
unaffected
10.3.0

+4 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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