Vulnerability in Schneider-Electric Modicon 140cra
CVE-2019-6842
A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with a missing web server image inside the package using FTP protocol.
EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider-electric Modicon_140cra
- Schneider-electric Modicon_140cra_firmware
- Schneider-electric Modicon_bmxcra
- Schneider-electric Modicon_bmxcra_firmware
- Schneider-electric Modicon_m340
- Schneider-electric Modicon_m340_firmware
- Schneider-electric Modicon_m580
- Schneider-electric Modicon_m580_firmware
- N/a Modicon M580, M340, And Bmxcra / 140cra Modules (See Notification For Version Info) — versions Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6842?
- CVE-2019-6842 is a medium-severity vulnerability in Schneider-Electric Modicon 140cra, classified under Improper Handling of Exceptional Conditions. CVSS score: 4.9/10. Published 2019-10-29.
- How severe is CVE-2019-6842?
- Medium severity. CVSS v3 base score is 4.9 out of 10.