{"id":"CVE-2019-20853","aliases":["EUVD-2019-11390","GHSA-qmhr-wp2p-3j6m"],"status":"published","title":"An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02232,"percentile":0.82894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2020-06-19T14:04:55Z","modified":"2026-06-17T02:31:19Z","products":[{"vendor":"mattermost","product":"mattermost_packages"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20853"},{"url":"https://github.com/advisories/GHSA-qmhr-wp2p-3j6m"}],"sources":{"cve":[{"id":"CVE-2019-20853","description":"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.","status":"published","published":"2020-06-19T14:04:55Z","modified":"2024-08-05T02:53:09.427Z","updated_at":"2026-11-02T14:20:17.431882Z"}],"euvd":[{"id":"EUVD-2019-11390","description":"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.","status":"published","published":"2020-06-19T14:04:55Z","modified":"2024-08-05T02:53:09Z","updated_at":"2026-11-03T02:40:20.270172Z"}],"ghsa":[{"id":"GHSA-qmhr-wp2p-3j6m","title":"An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet...","description":"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.","status":"published","published":"2022-05-24T17:21:11Z","modified":"2023-01-29T05:03:06Z","updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2019-20853","description":"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.","status":"published","published":"2020-06-19T15:15:10.307Z","modified":"2026-06-17T02:31:19.277Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:05:47.558959Z"}]}}