Vulnerability in Schneider-Electric Modicon 140cra
CVE-2019-6841
A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the firmware with no firmware image inside the package using FTP protocol.
EPSS: 0.244 (97.6th 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-2019-6841?
- CVE-2019-6841 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-2019-6841?
- Medium severity. CVSS v3 base score is 4.9 out of 10.