Buffer overflow in Schneider-electric Modicon_m258
CVE-2020-28220
A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a b…
Vulnerability class: Buffer Overflow
EPSS: 0.005 (68.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Schneider-electric Modicon_m258
- Schneider-electric Modicon_m258_firmware
- Schneider-electric Somachine
- Schneider-electric Somachine_motion
- N/a Modicon M258 Firmware (All Versions Prior To V5.0.4.11) And Somachine/somachine Motion Software Versions) — versions Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cybersecurity@se.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-28220?
- CVE-2020-28220 is a medium-severity vulnerability in Schneider-electric Modicon_m258, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.8/10. Published 2020-12-11.
- How severe is CVE-2020-28220?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2020-28220 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.