CVE-2025-25279 | BDVDB-2026-267306 Detail

MattermostMattermost

Description#

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive in Boards.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://mattermost.com/security-updates

Exploit#

No public exploit known

History#

Version 12025-02-24Record published in the CVE List.

Published

Published: 2025-02-24
Last modified: 2025-02-24

Vendor information

Vendor: Mattermost
Product: Mattermost

All Mattermost vulnerabilities

Score

9.9 Critical

EPSS

24.2%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 97.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 10.4.0 and <= 10.4.1
Fixed
Not stated
Vulnerable
>= 9.11.0 and <= 9.11.7
Fixed
Not stated
Vulnerable
>= 10.3.0 and <= 10.3.2
Fixed
Not stated
Vulnerable
>= 10.2.0 and <= 10.2.2
Fixed
Not stated
Vulnerable
Not stated
Fixed
10.5.0
Vulnerable
Not stated
Fixed
10.4.2
Vulnerable
Not stated
Fixed
9.11.8
Vulnerable
Not stated
Fixed
10.3.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.9 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).