Integer overflow in Schneider Electric Legacy Modicon Quantum/premium
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)
EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider Electric Legacy Modicon Quantum/premium — versions All Versions
- Schneider Electric Modicon M340 Cpu (Part Numbers Bmxp34*) — versions V
- Schneider Electric Modicon M580 Cpu (Part Numbers Bmep* And Bmeh*) — versions V
- Schneider Electric Modicon Mc80 (Bmkc80) — versions V
- Schneider Electric Modicon Momentum Mdi (171cbu*) — versions All Versions
- Schneider-electric Modicon_m340_bmx_p34-2010
- Schneider-electric Modicon_m340_bmx_p34-2010_firmware
- Schneider-electric Modicon_m340_bmx_p34-2030
- Schneider-electric Modicon_m340_bmx_p34-2030_firmware
- Schneider-electric Modicon_m580_bmeh582040
Weakness classification (CWE)
References
- cybersecurity@se.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-37301?
- CVE-2022-37301 is a high-severity vulnerability in Schneider Electric Legacy Modicon Quantum/premium, classified under Integer Underflow. CVSS score: 7.5/10. Published 2022-11-22.
- How severe is CVE-2022-37301?
- High severity. CVSS v3 base score is 7.5 out of 10.