CVE Vulnerability

CVE-2021-33818

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera Product Vendor Advisory
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33818.md Exploit Third Party Advisory
https://github.com/shekyan/slowhttptest Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-06-18 07:15

Updated : 2021-06-24 08:00

NVD link : CVE-2021-33818

Mitre link : CVE-2021-33818

Products Affected
No products.
CWE
CWE-400