Auth bypass in Schneider-electric 140cpu65150
CVE-2020-7540
A CWE-306: Missing Authentication for Critical Function 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…
Vulnerability class: Broken Authentication
EPSS: 0.021 (79.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Schneider-electric 140cpu65150
- Schneider-electric 140cpu65150_firmware
- Schneider-electric 140cpu65160
- Schneider-electric 140cpu65160_firmware
- Schneider-electric 140noc77101
- Schneider-electric 140noc77101_firmware
- Schneider-electric 140noc78000
- Schneider-electric 140noc78000_firmware
- Schneider-electric 140noc78100
- Schneider-electric 140noc78100_firmware
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-7540?
- CVE-2020-7540 is a critical-severity vulnerability in Schneider-electric 140cpu65150, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-12-11.
- How severe is CVE-2020-7540?
- Critical severity. CVSS v3 base score is 9.8 out of 10.