CVE-2021-33823

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Published Jun 18, 2021 CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

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.

Metrics

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.

Exploit prediction score: 1.3% (1.321% probability within 30 days)

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

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 3, 2024, 11:58 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 18, 2021, 7:02 PM
Updated: Aug 3, 2024, 11:58 PM
Reserved: Jun 3, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:55 AM

Status: Modified
Published: Jun 18, 2021, 8:15 PM
Modified: Jun 17, 2026, 3:55 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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