Vulnerability · Published Sep 16, 2024 · Assigned by Mattermost

CVE-2024-39772Silent Desktop Screenshot Capture

Low 3.7

In plain English

A low-severity improper access control in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmmattermost-desktop5.9.0GHSA-5777-rcjj-9p22

Affected products (as reported)

VendorProductVersions
Mattermost Mattermost 0 – through 5.8.0

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References