Information disclosure in Mattermost
CVE-2023-6727
Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mattermost — versions 0, 8.1.6, 9.2.2
- Mattermost Server
Weakness classification (CWE)
References
- mattermost.com/security-updates (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-6727?
- CVE-2023-6727 is a low-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 3.1/10. Published 2023-12-12.
- How severe is CVE-2023-6727?
- Low severity. CVSS v3 base score is 3.1 out of 10.