CVE-2022-37301: schneider electric legacy modicon quantum/premium Integer Underflow (Wrap or Wraparound)

Vulnerability summary

CVE-2022-37301 is a high (CVSS 7.5) Integer Underflow (Wrap or Wraparound) vulnerability in schneider electric legacy modicon quantum/premium. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.2% of scored vulnerabilities.

Timeline

1. 22-11-2022
   PublishedVulnerability first disclosed.
2. 28-04-2025
   Last modifiedVulnerability information updated.

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)

• CWE-191Integer Underflow (Wrap or Wraparound)The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.