{"cve":"CVE-2020-7536","nvd":{"published":"2020-12-11T01:15:12.190","modified":"2026-06-17T03:24:57.813","status":"Modified","description":"A CWE-754:Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M340 CPUs (BMXP34* versions prior to V3.30) Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4 BMXNOE0110 (H) versions prior to V6.6 BMXNOR0200H all versions), that could cause the device to be unreachable when modifying network parameters over SNMP.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-754"],"references":["https://security.cse.iitk.ac.in/responsible-disclosure","https://www.se.com/ww/en/download/document/SEVD-2020-343-07/","https://security.cse.iitk.ac.in/responsible-disclosure","https://www.se.com/ww/en/download/document/SEVD-2020-343-07/"],"products":["schneider-electric:bmxnoe0100_firmware","schneider-electric:bmxnoe0110_firmware","schneider-electric:bmxnor0200h_firmware","schneider-electric:modicon_m340_bmxp341000_firmware","schneider-electric:modicon_m340_bmxp342000_firmware","schneider-electric:modicon_m340_bmxp3420102_firmware","schneider-electric:modicon_m340_bmxp3420102cl_firmware","schneider-electric:modicon_m340_bmxp342020_firmware","schneider-electric:modicon_m340_bmxp3420302_firmware","schneider-electric:modicon_m340_bmxp3420302cl_firmware"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-7536","score":0.01169,"percentile":0.67412,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}