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CVE-2022-37300

CRITICALCVSS 9.8/10EPSS 0.66%

Last modified

CVE-2022-37300 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.66%

46.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricEcostruxure Control Expert< 15.1
Schneider-ElectricEcostruxure Process Expert<= 2021
Schneider-ElectricModicon M340 Bmxp341000 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342000 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342010 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420102 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342020 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342020h Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342030 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420302 Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp3420302h Firmware< 3.50
Schneider-ElectricModicon M340 Bmxp342030h Firmware< 3.50
Schneider-ElectricModicon M580 Bmeh582040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh582040c Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh582040s Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh584040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh584040c Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh584040s Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh586040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh586040c Firmware< 4.02
Schneider-ElectricModicon M580 Bmeh586040s Firmware< 4.02
Schneider-ElectricModicon M580 Bmep581020 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep581020h Firmware< 4.02
Schneider-ElectricModicon M580 Bmep582020 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep582020h Firmware< 4.02
Schneider-ElectricModicon M580 Bmep582040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep582040h Firmware< 4.02
Schneider-ElectricModicon M580 Bmep583020 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep583040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep584020 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep584040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep584040s Firmware< 4.02
Schneider-ElectricModicon M580 Bmep585040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep585040c Firmware< 4.02
Schneider-ElectricModicon M580 Bmep586040 Firmware< 4.02
Schneider-ElectricModicon M580 Bmep586040c Firmware< 4.02

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-37300?
A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).
How severe is CVE-2022-37300?
CVE-2022-37300 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37300?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37300?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST