Vulnerability Monitor

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CVE-2021-22779

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.

Published

2021-07-14T15:15:08.240

Last Modified

2024-11-21T05:50:38.990

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-290
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application schneider-electric ecostruxure_control_expert < 15.0 Yes
Application schneider-electric ecostruxure_control_expert 15.0 Yes
Application schneider-electric ecostruxure_control_expert 15.0 Yes
Application schneider-electric ecostruxure_process_expert * Yes
Application schneider-electric remoteconnect * Yes
Operating System schneider-electric modicon_m580_bmep581020_firmware * Yes
Hardware schneider-electric modicon_m580_bmep581020 - No
Operating System schneider-electric modicon_m580_bmep581020h_firmware * Yes
Hardware schneider-electric modicon_m580_bmep581020h - No
Operating System schneider-electric modicon_m580_bmep582020_firmware * Yes
Hardware schneider-electric modicon_m580_bmep582020 - No
Operating System schneider-electric modicon_m580_bmep582020h_firmware * Yes
Hardware schneider-electric modicon_m580_bmep582020h - No
Operating System schneider-electric modicon_m580_bmep582040_firmware * Yes
Hardware schneider-electric modicon_m580_bmep582040 - No
Operating System schneider-electric modicon_m580_bmep582040h_firmware * Yes
Hardware schneider-electric modicon_m580_bmep582040h - No
Operating System schneider-electric modicon_m580_bmep582040s_firmware * Yes
Hardware schneider-electric modicon_m580_bmep582040s - No
Operating System schneider-electric modicon_m580_bmep583020_firmware * Yes
Hardware schneider-electric modicon_m580_bmep583020 - No
Operating System schneider-electric modicon_m580_bmep583040_firmware * Yes
Hardware schneider-electric modicon_m580_bmep583040 - No
Operating System schneider-electric modicon_m580_bmep584020_firmware * Yes
Hardware schneider-electric modicon_m580_bmep584020 - No
Operating System schneider-electric modicon_m580_bmep584040_firmware * Yes
Hardware schneider-electric modicon_m580_bmep584040 - No
Operating System schneider-electric modicon_m580_bmep584040s_firmware * Yes
Hardware schneider-electric modicon_m580_bmep584040s - No
Operating System schneider-electric modicon_m580_bmep585040_firmware * Yes
Hardware schneider-electric modicon_m580_bmep585040 - No
Operating System schneider-electric modicon_m580_bmep585040c_firmware * Yes
Hardware schneider-electric modicon_m580_bmep585040c - No
Operating System schneider-electric modicon_m580_bmep586040_firmware * Yes
Hardware schneider-electric modicon_m580_bmep586040 - No
Operating System schneider-electric modicon_m580_bmep586040c_firmware * Yes
Hardware schneider-electric modicon_m580_bmep586040c - No
Operating System schneider-electric modicon_m580_bmeh582040_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh582040 - No
Operating System schneider-electric modicon_m580_bmeh582040c_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh582040c - No
Operating System schneider-electric modicon_m580_bmeh582040s_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh582040s - No
Operating System schneider-electric modicon_m580_bmeh584040_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh584040 - No
Operating System schneider-electric modicon_m580_bmeh584040c_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh584040c - No
Operating System schneider-electric modicon_m580_bmeh584040s_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh584040s - No
Operating System schneider-electric modicon_m580_bmeh586040_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh586040 - No
Operating System schneider-electric modicon_m580_bmeh586040c_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh586040c - No
Operating System schneider-electric modicon_m580_bmeh586040s_firmware * Yes
Hardware schneider-electric modicon_m580_bmeh586040s - No
Operating System schneider-electric modicon_m340_bmxp341000_firmware * Yes
Hardware schneider-electric modicon_m340_bmxp341000 - No
Operating System schneider-electric modicon_m340_bmxp342010_firmware * Yes
Hardware schneider-electric modicon_m340_bmxp342010 - No
Operating System schneider-electric modicon_m340_bmxp342020_firmware * Yes
Hardware schneider-electric modicon_m340_bmxp342020 - No
Operating System schneider-electric modicon_m340_bmxp342030_firmware * Yes
Hardware schneider-electric modicon_m340_bmxp342030 - No
References