Schneider-electric Modicon_m251
10 CVEs affecting Schneider-electric Modicon_m251. Latest disclosed: 2026-03-10. Critical: 3, High: 3.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2020-7487 | Critical | 9.8 | 2020-04-22 | A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M2… |
CVE-2017-6028 | Critical | 9.8 | 2017-06-30 | An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firm… |
CVE-2017-6026 | Critical | 9.1 | 2017-06-30 | A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Mo… |
CVE-2019-6820 | High | 8.2 | 2019-05-22 | A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network m… |
CVE-2021-22699 | High | 7.5 | 2021-05-26 | Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specif… |
CVE-2020-7488 | High | 7.5 | 2020-04-22 | A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the… |
CVE-2017-6030 | Medium | 6.5 | 2017-06-30 | A predictable value range from previous values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0… |
CVE-2025-13902 | Medium | 5.4 | 2026-03-10 | CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause condition where authenticated… |
CVE-2024-6528 | Medium | 5.4 | 2024-07-11 | CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause a vulnerability leading to a… |
CVE-2025-13901 | Medium | 5.3 | 2026-03-10 | CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticate… |