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CVE-2022-37301

HIGHCVSS 7.5/10EPSS 0.70%

Last modified

CVE-2022-37301 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior). EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricModicon M340 Bmx P34-2010 Firmware< 3.50
Schneider-ElectricModicon M340 Bmx P34-2030 Firmware< 3.50
Schneider-ElectricModicon M580 Bmeh582040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh582040c Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh582040s Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040c Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040s Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh586040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh586040c Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh586040s Firmware< 4.01
Schneider-ElectricModicon M580 Bmep581020 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep581020h Firmware< 4.01
Schneider-ElectricModicon M580 Bmep582020 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep582020h Firmware< 4.01
Schneider-ElectricModicon M580 Bmep582040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep582040h Firmware< 4.01
Schneider-ElectricModicon M580 Bmep582040s Firmware< 4.01
Schneider-ElectricModicon M580 Bmep583020 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep583040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep584020 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep584040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep584040s Firmware< 4.01
Schneider-ElectricModicon M580 Bmep585040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep585040c Firmware< 4.01
Schneider-ElectricModicon M580 Bmep586040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmep586040c Firmware< 4.01
Schneider-ElectricModicon Mc80 Bmkc8020301 Firmware< 1.8
Schneider-ElectricModicon Mc80 Bmkc8020310 Firmware< 1.8
Schneider-ElectricModicon Mc80 Bmkc8030311 Firmware< 1.8
Schneider-ElectricModicon Momentum 171cbu78090 FirmwareAll versions
Schneider-ElectricModicon Momentum 171cbu98090 FirmwareAll versions
Schneider-ElectricModicon Momentum 171cbu98091 FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 1634m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 2634m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 2834m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 454m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 4634m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 554m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 5634m FirmwareAll versions
Schneider-ElectricModicon Premium Tsxp57 6634m FirmwareAll versions
Schneider-ElectricModicon Quantum 140cpu65150 FirmwareAll versions
Schneider-ElectricModicon Quantum 140cpu65150c FirmwareAll versions
Schneider-ElectricModicon Quantum 140cpu65160 FirmwareAll versions
Schneider-ElectricModicon Quantum 140cpu65160c FirmwareAll versions
Schneider-ElectricModicon Quantum 140noc78100 FirmwareAll versions
Schneider-ElectricModicon Quantum 140noe77101 FirmwareAll versions
Schneider-ElectricModicon Quantum 140noe77111 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-37301?
A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)
How severe is CVE-2022-37301?
CVE-2022-37301 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37301?
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-2022-37301?

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Source: NVD / NIST