CVE-2021-33822

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-33822
An issue was discovered on 4GEE ROUTER HH70VB Version HH70_E1_02.00_22. 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.

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md Exploit Third Party Advisory
https://github.com/shekyan/slowhttptest Third Party Advisory
https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi Product Vendor Advisory
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md Exploit Third Party Advisory
https://github.com/shekyan/slowhttptest Third Party Advisory
https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi Product Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:sing4g:4gee_router_hh70vb_firmware:hh70_e1_02.00_22:*:*:*:*:*:*:*
cpe:2.3:h:sing4g:4gee_router_hh70vb:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:09

Type Values Removed Values Added
References () https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md - Exploit, Third Party Advisory () https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md - Exploit, Third Party Advisory
References () https://github.com/shekyan/slowhttptest - Third Party Advisory () https://github.com/shekyan/slowhttptest - Third Party Advisory
References () https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi - Product, Vendor Advisory () https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi - Product, Vendor Advisory

24 Jun 2021, 19:53

Type Values Removed Values Added
CPE cpe:2.3:h:sing4g:4gee_router_hh70vb:-:*:*:*:*:*:*:*
cpe:2.3:o:sing4g:4gee_router_hh70vb_firmware:hh70_e1_02.00_22:*:*:*:*:*:*:*
CWE CWE-400
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md - (MISC) https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md - Exploit, Third Party Advisory
References (MISC) https://github.com/shekyan/slowhttptest - (MISC) https://github.com/shekyan/slowhttptest - Third Party Advisory
References (MISC) https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi - (MISC) https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi - Product, Vendor Advisory

18 Jun 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-18 19:15

Updated : 2024-11-21 06:09

NVD link : CVE-2021-33822

Mitre link : CVE-2021-33822

CVE.ORG link : CVE-2021-33822

JSON object : View

Products Affected

sing4g

  • 4gee_router_hh70vb_firmware
  • 4gee_router_hh70vb
CWE
CWE-400

Uncontrolled Resource Consumption