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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

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-2021-33824.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

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:moxa:mgate_mb3180_firmware:2.1:build_18113012:*:*:*:*:*:*

cpe:2.3:h:moxa:mgate_mb3180:-:*:*:*:*:*:*:*

Information

Published : 2021-06-18 13:15

Updated : 2021-06-24 12:01

NVD link : CVE-2021-33824

Mitre link : CVE-2021-33824

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

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Products Affected

moxa

mgate_mb3180_firmware
mgate_mb3180

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