Vulnerability in Schneider-Electric 140cpu65150
CVE-2020-7542
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
- Schneider-Electric 140cpu65150
- Schneider-Electric 140cpu65150 Firmware
- Schneider-Electric Modicon M340 Bmxp341000
- Schneider-Electric Modicon M340 Bmxp341000 Firmware
- Schneider-Electric Modicon M340 Bmxp342000
- Schneider-Electric Modicon M340 Bmxp342000 Firmware
- Schneider-Electric Modicon M340 Bmxp3420102
- Schneider-Electric Modicon M340 Bmxp3420102cl
- Schneider-Electric Modicon M340 Bmxp3420102cl Firmware
- Schneider-Electric Modicon M340 Bmxp3420102 Firmware
Weakness classification (CWE)
References
- www.se.com/ww/en/download/document/SEVD-2020-343-08/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7542?
- CVE-2020-7542 is a high-severity vulnerability in Schneider-Electric 140cpu65150, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2020-12-11.
- How severe is CVE-2020-7542?
- High severity. CVSS v3 base score is 7.5 out of 10.