Auth bypass in Schneider-electric 140cpu31110
CVE-2018-7760
An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. Requests to CGI functions allow malicious users to bypass authorization.
Vulnerability class: Broken Authentication
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Schneider-electric 140cpu31110
- Schneider-electric 140cpu31110c
- Schneider-electric 140cpu31110c_firmware
- Schneider-electric 140cpu31110_firmware
- Schneider-electric 140cpu43412u
- Schneider-electric 140cpu43412uc
- Schneider-electric 140cpu43412uc_firmware
- Schneider-electric 140cpu43412u_firmware
- Schneider-electric 140cpu65150
- Schneider-electric 140cpu65150c
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7760?
- CVE-2018-7760 is a critical-severity vulnerability in Schneider-electric 140cpu31110, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-04-18.
- How severe is CVE-2018-7760?
- Critical severity. CVSS v3 base score is 9.8 out of 10.