Is CVE-2025-20630 actively exploited?

CVE-2025-20630 has no public evidence of in-the-wild exploitation as of 2025-09-24.

What is the CVSS score for CVE-2025-20630?

CVE-2025-20630 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2025-20630?

Patch guidance is available from mattermost security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-20630.

Which products are affected by CVE-2025-20630?

1 product: mattermost mattermost mobile.

CVE-2025-20630 - remediation guidance & executive summary

Description

Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-1287

Metadata

Primary Vendor: MATTERMOST
Published: 1/16/2025
Last Modified: 9/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mattermost : mattermost_mobile

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-20630. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-20630

View on NIST NVD

CVE-2025-20630 vulnerability