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.
Exploits (1)
github
WRITEUP
10 stars
by Jian-Xian · poc
https://github.com/Jian-Xian/CVE-POC/tree/master/CVE-2021-33818.md
References (3)
Scores
CVSS v3
7.5
EPSS
0.0056
EPSS Percentile
68.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (1)
ui/camera_g3_flex_firmware
uvc.v4.30.0.67
Published
Jun 18, 2021
Tracked Since
Feb 18, 2026