CVE-2024-39772

Name: CVE-2024-39772
Creator: NVD / NIST
Published: 2024-09-16T15:15:16.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2024-39772 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.31%

22.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Desktop	< 5.9.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Sep 16, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-39772?

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.

How severe is CVE-2024-39772?

CVE-2024-39772 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39772?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39772?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST