CVSS 3.1
7.3 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCVE-2021-29242
High (7.3) in codesys. EPSS 1.2% chance of exploitation in the next 30 days.
CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- codesys:control_for_beaglebone_sl
- codesys:control_for_empc-a\/imx6_sl
- codesys:control_for_iot2000_sl
- codesys:control_for_linux_arm_sl
- codesys:control_for_linux_sl
- codesys:control_for_pfc100_sl
- codesys:control_for_pfc200_sl
- codesys:control_for_plcnext_sl
- codesys:control_for_raspberry_pi_sl
- codesys:control_for_wago_touch_panels_600_sl
- codesys:control_rte
- codesys:control_runtime_system_toolkit
- codesys:control_win
- codesys:edge_gateway
- codesys:embedded_target_visu_toolkit
- codesys:gateway
- codesys:hmi
- codesys:opc_server
- codesys:plchandler
- codesys:remote_target_visu_toolkit
- codesys:safety_sil
- codesys:simulation_runtime
References
- https://customers.codesys.com/index.php
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14640&token=623b6fceb0579ef0f7505e29beefa5b3f8ac7873&download=
- https://www.codesys.com/security/security-reports.html
- https://customers.codesys.com/index.php
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14640&token=623b6fceb0579ef0f7505e29beefa5b3f8ac7873&download=