CVE-2025-21088

Jan. 15, 2025, 4:15 p.m.

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.

Product(s) Impacted

Product Versions
Mattermost
  • ['10.2.x <= 10.2.0', '9.11.x <= 9.11.5', '10.0.x <= 10.0.3', '10.1.x <= 10.1.3']

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-704
Incorrect Type Conversion or Cast
The product does not correctly convert an object, resource, or structure from one type to a different type.

References

https://mattermost.com/security-updates

Tags

responsibledisclosure@mattermost.com
CWE-704
2025-01-15
CVE-2025-21088

CVSS Score

6.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: Jan. 15, 2025, 4:15 p.m.
Last Modified: Jan. 15, 2025, 4:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

responsibledisclosure@mattermost.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.