CVE-2023-3581
HIGHCVSS 8.1/10EPSS 0.22%
Last modified
CVE-2023-3581 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs. . EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost Server | >= 7.8.0, < 7.8.7 |
| Mattermost | Mattermost Server | >= 7.9.0, < 7.9.5 |
| Mattermost | Mattermost Server | >= 7.10.0, < 7.10.3 |
References
- https://mattermost.com/security-updatesVendor Advisory
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-3581?
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
How severe is CVE-2023-3581?
CVE-2023-3581 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3581?
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-2023-3581?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST