CVE-2021-29241
High
Description
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).
SeverityHigh
CVSS7.5
Exploit probability—
ProductCodesys Gateway
PublishedMay 3, 2021
First seenMay 3, 2021
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- codesys gateway3.5.16.70 or later
- codesys control_for_beaglebone_sl4.0.1.0 or later
- codesys control_for_empc-a\/imx6_sl4.0.1.0 or later
- codesys control_for_iot2000_sl4.0.1.0 or later
- codesys control_for_linux_sl4.0.1.0 or later
- codesys control_for_pfc100_sl3.5.16.0 or later
- codesys control_for_pfc200_sl3.5.16.0 or later
- codesys control_for_raspberry_pi_sl4.0.1.0 or later
- codesys control_runtime_system_toolkit3.5.16.70 or later
- codesys development_system3.5.16.70 or later
- codesys edge_gateway3.5.16.70, 4.1.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| codesys gateway | 3.0 ≤ v < 3.5.16.70 | 3.5.16.70 |
| codesys control_for_beaglebone_sl | 3.0 ≤ v < 4.0.1.0 | 4.0.1.0 |
| codesys control_for_empc-a\/imx6_sl | 3.0 ≤ v < 4.0.1.0 | 4.0.1.0 |
| codesys control_for_iot2000_sl | 3.0 ≤ v < 4.0.1.0 | 4.0.1.0 |
| codesys control_for_linux_sl | 3.0 ≤ v < 4.0.1.0 | 4.0.1.0 |
| codesys control_for_pfc100_sl | 3.0 ≤ v < 3.5.16.0 | 3.5.16.0 |
| codesys control_for_pfc200_sl | 3.0 ≤ v < 3.5.16.0 | 3.5.16.0 |
| codesys control_for_raspberry_pi_sl | 3.0 ≤ v < 4.0.1.0 | 4.0.1.0 |
| codesys control_runtime_system_toolkit | 3.0 ≤ v < 3.5.16.70 | 3.5.16.70 |
| codesys development_system | 3.0 ≤ v < 3.5.16.70 | 3.5.16.70 |
| codesys edge_gateway | 3.0 ≤ v < 3.5.16.70, 3.0 ≤ v < 4.1.0.0 | 3.5.16.70, 4.1.0.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.