Back to Database
Status published
Unknown
CVE-2021-29241
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference...
Vulnerability Description
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-29241
Credits & Attribution
No credits recorded in the NVD database.
References
More from codesys
View All →CVE-2022-22510
CODESYS: Null Pointer Dereference in CODESYS PROFINET stack
High
7.5
CVE-2021-36765
In CODESYS EtherNetIP before 4.1.0.0, specific EtherNet/IP requests may cause...
High
7.5
CVE-2021-36764
In CODESYS Gateway V3 before 3.5.17.10, there is a NULL...
High
7.5
CVE-2021-36763
In CODESYS V3 web server before 3.5.17.10, files or directories...
High
7.5
CVE-2021-33486
All versions of the CODESYS V3 Runtime Toolkit for VxWorks...
High
7.5
Affected Vendor
codesys
View all reports →Affected Software
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
Vulnerable Versions:
3.0
Timeline
Official Publish:
May 3rd, 2021
Last Modified:
May 29th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.