Lucene search

[email protected]CVE-2021-33823

HistoryJun 18, 2021 - 8:15 p.m.

CVE-2021-33823

2021-06-1820:15:07

[email protected]

web.nvd.nist.gov

cve-2021-33823

moxa mgate mb3180

denial-of-service

tcp syn flood

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

48.8%

JSON

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

Affected configurations

NVD

Node

moxamgate_mb3180Match-

AND

moxamgate_mb3180_firmwareMatch2.1build_18113012

CPENameOperatorVersion
moxa:mgate_mb3180_firmwaremoxa mgate mb3180 firmwareeq2.1

CPE	Name	Operator	Version
moxa:mgate_mb3180_firmware	moxa mgate mb3180 firmware	eq	2.1

References

github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33823.md

www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series

Social References

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

48.8%

JSON

Related for CVE-2021-33823

cvelist1 nessus1 prion1 nvd1