Vulnerability in Schneider-Electric 140cpu65150
CVE-2020-7539
A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause a denial of service vulnerability when a specially crafted packet is sent to the controller over HTTP.
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: 0.012 (66.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Schneider-Electric 140cpu65150
- Schneider-Electric 140cpu65150 Firmware
- Schneider-Electric 140noc77101
- Schneider-Electric 140noc77101 Firmware
- Schneider-Electric 140noc78000
- Schneider-Electric 140noc78000 Firmware
- Schneider-Electric 140noc78100
- Schneider-Electric 140noc78100 Firmware
- Schneider-Electric 140noe77111
- Schneider-Electric 140noe77111 Firmware
Weakness classification (CWE)
References
- www.se.com/ww/en/download/document/SEVD-2020-343-03/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7539?
- CVE-2020-7539 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-2020-7539?
- High severity. CVSS v3 base score is 7.5 out of 10.