CVE-2021-33959 | BDVDB-2026-193385 Detail

Description#

Plex media server 1.21 and before is vulnerable to ddos reflection attack via plex service.

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

No public exploit known

7.5 High

15.0%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 96.8.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

No version data in the source record.

Not available

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).