CVE-2024-4182
Last modified
CVE-2024-4182 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status. . EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 8.1.0, < 8.1.12 |
| Mattermost | Mattermost Server | >= 9.4.0, < 9.4.5 |
| Mattermost | Mattermost Server | >= 9.5.0, < 9.5.3 |
| Mattermost | Mattermost Server | >= 9.6.0, < 9.6.1 |
References
- https://mattermost.com/security-updatesVendor Advisory
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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