Vulnerability in Mattermost
CVE-2023-49874
Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% 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, 9.2.2, 8.1.6
- Mattermost Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- mattermost.com/security-updates (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-49874?
- CVE-2023-49874 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.3/10. Published 2023-12-12.
- How severe is CVE-2023-49874?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2023-49874 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.