CVE Vulnerability

CVE-2021-33824

An issue was discovered on MOXA Mgate MB3180 Version 2.1 Build 18113012. 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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : 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

References
Link Resource
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33824.md Exploit Third Party Advisory
https://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series Product Vendor Advisory
https://github.com/shekyan/slowhttptest Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-06-18 08:15

Updated : 2021-06-24 07:01

NVD link : CVE-2021-33824

Mitre link : CVE-2021-33824

Products Affected
No products.
CWE
CWE-400