CVE-2021-33818
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha detectado un problema en UniFi Protect G3 FLEX Camera versión UVC.v4.30.0.67. Unos atacantes pueden usar la herramienta slowhttptest para enviar peticiones HTTP incompletas, lo que podría hacer que el servidor siga esperando a que el paquete termine la conexión, hasta que sean agotados sus recursos. Entonces el servidor web sufre una denegación de servicio
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-03 CVE Reserved
- 2021-06-18 CVE Published
- 2024-03-03 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://github.com/shekyan/slowhttptest | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33818.md | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera | 2021-06-24 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Ui Search vendor "Ui" | Camera G3 Flex Firmware Search vendor "Ui" for product "Camera G3 Flex Firmware" | uvc.v4.30.0.67 Search vendor "Ui" for product "Camera G3 Flex Firmware" and version "uvc.v4.30.0.67" | - |
Affected
| in | Ui Search vendor "Ui" | Camera G3 Flex Search vendor "Ui" for product "Camera G3 Flex" | - | - |
Safe
|