CVE-2021-22779
Description
Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert (all versions prior to V15.0 SP1, including all versions of Unity Pro), EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert (all versions, including all versions of EcoStruxure Hybrid DCS), SCADAPack RemoteConnect for x70 (all versions), Modicon M580 CPU (all versions - part numbers BMEP* and BMEH*), Modicon M340 CPU (all versions - part numbers BMXP34*), that could cause unauthorized access in read and write mode to the controller by spoofing the Modbus communication between the engineering software and the controller.
How to fix
- schneider-electric ecostruxure_control_expert15.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric ecostruxure_control_expert | v < 15.0, 15.0 | 15.0 |
| schneider-electric ecostruxure_process_expert | No range specified | — |
| schneider-electric remoteconnect | No range specified | — |
| schneider-electric modicon_m580_bmep581020_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep581020h_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep582020_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep582020h_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep582040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep582040h_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep582040s_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep583020_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep583040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep584020_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep584040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep584040s_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep585040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep585040c_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep586040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmep586040c_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh582040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh582040c_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh582040s_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh584040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh584040c_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh584040s_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh586040_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh586040c_firmware | No range specified | — |
| schneider-electric modicon_m580_bmeh586040s_firmware | No range specified | — |
| schneider-electric modicon_m340_bmxp341000_firmware | No range specified | — |
| schneider-electric modicon_m340_bmxp342010_firmware | No range specified | — |
| schneider-electric modicon_m340_bmxp342020_firmware | No range specified | — |
| schneider-electric modicon_m340_bmxp342030_firmware | No range specified | — |
Check your version
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