VULNERABILITY INTELLIGENCE

CVE-2021-33818

CVSS score7.5 HIGH

EPSS probability1.93%

CISA KEVNot currently listed

Published2021-06-18

Last modified2026-06-17

Description

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.