CVE-2021-29241 - Vulnerability Details - OpenCVE

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

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 0.00407.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Codesys	Control For Beaglebone Sl Control For Empc-a\/imx6 Sl Control For Iot2000 Sl Control For Linux Sl Control For Pfc100 Sl Control For Pfc200 Sl Control For Raspberry Pi Sl Control Runtime System Toolkit Development System Edge Gateway Gateway

Configuration 1 [-]

OR	cpe:2.3:a:codesys:control_for_beaglebone_sl::::::::
	cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl::::::::
	cpe:2.3:a:codesys:control_for_iot2000_sl::::::::
	cpe:2.3:a:codesys:control_for_linux_sl::::::::
	cpe:2.3:a:codesys:control_for_pfc100_sl::::::::
	cpe:2.3:a:codesys:control_for_pfc200_sl::::::::
	cpe:2.3:a:codesys:control_for_raspberry_pi_sl::::::::
	cpe:2.3:a:codesys:control_runtime_system_toolkit::::::::
	cpe:2.3:a:codesys:development_system::::::::
	cpe:2.3:a:codesys:edge_gateway::::::windows::*
	cpe:2.3:a:codesys:edge_gateway::::::linux::*
	cpe:2.3:a:codesys:gateway::::::::

No data.

No data.

References

Link	Providers
https://customers.codesys.com/index.php
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&download=
https://www.codesys.com/security/security-reports.html

History

Sat, 30 May 2026 22:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-03T13:17:03.000Z

Updated: 2026-05-29T14:01:18.048Z

Reserved: 2021-03-25T00:00:00.000Z

Link: CVE-2021-29241

Vulnrichment

Updated: 2024-08-03T22:02:51.320Z

NVD

Status : Modified

Published: 2021-05-03T14:15:07.633

Modified: 2026-05-29T15:16:20.017

Link: CVE-2021-29241

Redhat

No data.

OpenCVE Enrichment

No data.

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