Vulnerability Details : CVE-2021-33820
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-33820
- cpe:2.3:o:ui:camera_g3_flex_firmware:uvc.v4.30.0.67:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33820
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33820
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2021-33820
-
https://linuxhint.com/hping3/
hping3 flood ddos – Linux HintThird Party Advisory
-
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
Camera G3 Flex – Ubiquiti Inc.Product;Vendor Advisory
-
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
CVE-POC/CVE-2021-33820.md at master · Jian-Xian/CVE-POC · GitHubExploit;Third Party Advisory
Jump to