CVE-2024-39772

Silent Desktop Screenshot Capture

Published Sep 16, 2024 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Description
Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.

Remediation

Vendor Solution

Update Mattermost Desktop App to versions 5.9.0 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2024-2717 Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.
Github GHSA Github GHSA GHSA-5777-rcjj-9p22 Mattermost Desktop App fails to safeguard screen capture functionality
References
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0009}

epss

{'score': 0.00106}

Type Values Removed Values Added
First Time appeared Mattermost mattermost Desktop
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Mattermost mattermost Desktop
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.
Title Silent Desktop Screenshot Capture
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Sep 16, 2024, 2:42 PM
Reserved
Sep 11, 2024, 3:59 PM
Status
Analyzed
Published
Sep 16, 2024, 3:15 PM
Modified
Jun 17, 2026, 7:42 AM