CVE-2019-20853 json
An issue was discovered in Mattermost Packages before 5.16.3.
published 2020-06-19 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11390
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet access to a service that has a remote code execution problem.
Patch / fix
- mattermost mattermost_packages 5.16.3
Exploit prediction
2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-668 Exposure of Resource to Wrong Sphere
References
-
mattermost.com
/security-updates/
vendor-advisory
Sources
- CVE List CVE-2019-20853
- NVD CVE-2019-20853
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.