CVE-2021-33823 - Vulnerability Details - OpenCVE

Description

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.

Published: 2021-06-18

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

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

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-20498	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0054.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33823.md
https://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series

History

No history.

Subscriptions

Moxa Mgate Mb3180 Mgate Mb3180 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-18T19:02:06.000Z

Updated: 2024-08-03T23:58:23.157Z

Reserved: 2021-06-03T00:00:00.000Z

Link: CVE-2021-33823

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-18T20:15:07.767

Modified: 2024-11-21T06:09:38.077

Link: CVE-2021-33823

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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