CVE-2025-20072

Mobile crash via improper validation of proto style in attachments

Description

Mattermost Mobile versions <= 2.22.0 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 mobile via crafted malicious input.

Remediation

Solution:

  • Update Mattermost to versions 10.3.0, 2.23.0, 10.2.1, 9.11.6, 10.0.4, 10.1.4 or higher.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-20072?
CVE-2025-20072 has been scored as a medium severity vulnerability.
How to fix CVE-2025-20072?
To fix CVE-2025-20072: Update Mattermost to versions 10.3.0, 2.23.0, 10.2.1, 9.11.6, 10.0.4, 10.1.4 or higher.
Is CVE-2025-20072 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-20072 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-20072?
CVE-2025-20072 affects Mattermost Mattermost.
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