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CVE-2021-29241

nvd nist
Published: May 3, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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

Affected (12)

Codesys
11 products
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 A
12 vulnerable
Vulnerable SoftwareAffected Versions
Control For Beaglebone Sl
From 3.0 to 4.0.1.0
Control For Empc A/imx6 Sl
From 3.0 to 4.0.1.0
Control For Iot2000 Sl
From 3.0 to 4.0.1.0
Control For Linux Sl
From 3.0 to 4.0.1.0
Control For Pfc100 Sl
From 3.0 to 3.5.16.0
Control For Pfc200 Sl
From 3.0 to 3.5.16.0
Control For Raspberry Pi Sl
From 3.0 to 4.0.1.0
Control Runtime System Toolkit
From 3.0 to 3.5.16.70
Development System
From 3.0 to 3.5.16.70
Codesys
Edge Gateway
From 3.0 to 4.1.0.0
Edge Gateway
From 3.0 to 3.5.16.70
Gateway
From 3.0 to 3.5.16.70

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (6)

Source: cve@mitre.org
Permissions RequiredVendor Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.