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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.244 (97.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.244 · newest: 0.244 · change: 0.000
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
- 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
- www.se.com/ww/en/download/document/SEVD-2019-281-02/ (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.