Out-of-bounds Read in Schneider-electric Modicon_m340_bmxp341000
CVE-2021-22790
A CWE-125: Out-of-bounds Read vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU (part numb…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (53.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider-electric Modicon_m340_bmxp341000
- Schneider-electric Modicon_m340_bmxp342010
- Schneider-electric Modicon_m340_bmxp342020
- Schneider-electric Modicon_m340_bmxp342030
- Schneider-electric Modicon_m580_bmeh582040
- Schneider-electric Modicon_m580_bmeh582040c
- Schneider-electric Modicon_m580_bmeh582040s
- Schneider-electric Modicon_m580_bmeh584040
- Schneider-electric Modicon_m580_bmeh584040c
- Schneider-electric Modicon_m580_bmeh584040s
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_MISC, Not Applicable)
- nvd@nist.gov (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22790?
- CVE-2021-22790 is a medium-severity vulnerability in Schneider-electric Modicon_m340_bmxp341000, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2021-09-02.
- How severe is CVE-2021-22790?
- Medium severity. CVSS v3 base score is 6.5 out of 10.