CVE-2021-33820
"UniFi Protect G3 FLEX Camera TCP SYN Flooding Vulnerability"
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.
INFO
Published Date :
June 18, 2021, 7:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-33820 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-33820.
| URL | Resource |
|---|---|
| https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md | Exploit Third Party Advisory |
| https://linuxhint.com/hping3/ | Third Party Advisory |
| https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera | Product Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-33820 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33820 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-400 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Jun. 24, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md No Types Assigned https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md Exploit, Third Party Advisory Changed Reference Type https://linuxhint.com/hping3/ No Types Assigned https://linuxhint.com/hping3/ Third Party Advisory Changed Reference Type https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera No Types Assigned https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera Product, Vendor Advisory Added CWE NIST CWE-400 Added CPE Configuration AND OR *cpe:2.3:o:ui:camera_g3_flex_firmware:uvc.v4.30.0.67:*:*:*:*:*:*:* OR cpe:2.3:h:ui:camera_g3_flex:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33820 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-33820
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} 0.03%
score
0.58192
percentile