Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-33820

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.

Published

2021-06-18T19:15:07.537

Last Modified

2024-11-21T06:09:37.757

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	ui	camera_g3_flex_firmware	uvc.v4.30.0.67	Yes
Hardware	ui	camera_g3_flex	-	No

References

https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md Exploit, Third Party Advisory ([email protected])
https://linuxhint.com/hping3/ Third Party Advisory ([email protected])
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera Product, Vendor Advisory ([email protected])
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://linuxhint.com/hping3/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)