Vulnerability Monitor

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CVE-2021-22791

A CWE-787: Out-of-bounds Write vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions).

Published

2021-09-02T17:15:08.290

Last Modified

2024-11-21T05:50:40.647

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

8.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Hardware schneider-electric modicon_m340_bmxp341000 - Yes
Hardware schneider-electric modicon_m340_bmxp342010 - Yes
Hardware schneider-electric modicon_m340_bmxp342020 - Yes
Hardware schneider-electric modicon_m340_bmxp342030 - Yes
Hardware schneider-electric modicon_m580_bmeh582040 - Yes
Hardware schneider-electric modicon_m580_bmeh582040c - Yes
Hardware schneider-electric modicon_m580_bmeh582040s - Yes
Hardware schneider-electric modicon_m580_bmeh584040 - Yes
Hardware schneider-electric modicon_m580_bmeh584040c - Yes
Hardware schneider-electric modicon_m580_bmeh584040s - Yes
Hardware schneider-electric modicon_m580_bmeh586040 - Yes
Hardware schneider-electric modicon_m580_bmeh586040c - Yes
Hardware schneider-electric modicon_m580_bmeh586040s - Yes
Hardware schneider-electric modicon_m580_bmep581020 - Yes
Hardware schneider-electric modicon_m580_bmep581020h - Yes
Hardware schneider-electric modicon_m580_bmep582020 - Yes
Hardware schneider-electric modicon_m580_bmep582020h - Yes
Hardware schneider-electric modicon_m580_bmep582040 - Yes
Hardware schneider-electric modicon_m580_bmep582040h - Yes
Hardware schneider-electric modicon_m580_bmep582040s - Yes
Hardware schneider-electric modicon_m580_bmep583020 - Yes
Hardware schneider-electric modicon_m580_bmep583040 - Yes
Hardware schneider-electric modicon_m580_bmep584020 - Yes
Hardware schneider-electric modicon_m580_bmep584040 - Yes
Hardware schneider-electric modicon_m580_bmep584040s - Yes
Hardware schneider-electric modicon_m580_bmep585040 - Yes
Hardware schneider-electric modicon_m580_bmep585040c - Yes
Hardware schneider-electric modicon_m580_bmep586040 - Yes
Hardware schneider-electric modicon_m580_bmep586040c - Yes
Hardware schneider-electric modicon_mc80_bmkc8020301 - Yes
Hardware schneider-electric modicon_mc80_bmkc8020310 - Yes
Hardware schneider-electric modicon_mc80_bmkc8030311 - Yes
Hardware schneider-electric modicon_momentum_171cbu78090 - Yes
Hardware schneider-electric modicon_momentum_171cbu98090 - Yes
Hardware schneider-electric modicon_momentum_171cbu98091 - Yes
Hardware schneider-electric modicon_premium_tsxp57_1634m - Yes
Hardware schneider-electric modicon_premium_tsxp57_2634m - Yes
Hardware schneider-electric modicon_premium_tsxp57_2834m - Yes
Hardware schneider-electric modicon_premium_tsxp57_454m - Yes
Hardware schneider-electric modicon_premium_tsxp57_4634m - Yes
Hardware schneider-electric modicon_premium_tsxp57_554m - Yes
Hardware schneider-electric modicon_premium_tsxp57_5634m - Yes
Hardware schneider-electric modicon_premium_tsxp57_6634m - Yes
Hardware schneider-electric modicon_quantum_140cpu65150 - Yes
Hardware schneider-electric modicon_quantum_140cpu65150c - Yes
Hardware schneider-electric modicon_quantum_140cpu65160 - Yes
Hardware schneider-electric modicon_quantum_140cpu65160c - Yes
Hardware schneider-electric plc_simulator_for_ecostruxure_control_expert - Yes
Hardware schneider-electric plc_simulator_for_ecostruxure_process_expert - Yes
References