CVE-2021-33820 Information

Description

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67.Attacker could send a huge amount of TCP SYN packet to make web service’s resource exhausted. Then the web server is denial-of-service.

CVSS Vector

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

Reference

https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera https://linuxhint.com/hping3/ https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5