CVE-2023-3582
MEDIUMCVSS 4.3/10EPSS 0.30%
Last modified
CVE-2023-3582 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, . EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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-2023-3582?
Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,
How severe is CVE-2023-3582?
CVE-2023-3582 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3582?
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-2023-3582?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST