Schneider Electric Modicon m258 Firmware vulnerabilities

6 CVEs affecting Schneider Electric Modicon m258 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-13902, published 2026-03-10.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2019-6820, published 2019-05-22. High severity, CVSS 8.2. EPSS: 1.3% chance of exploitation in the next 30 days. A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a…
CVE-2020-28220, published 2020-12-11. Medium severity, CVSS 6.8. EPSS: 1.1% chance of exploitation in the next 30 days. 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…
CVE-2020-7488, published 2020-04-22. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258…
CVE-2020-7487, published 2020-04-22. Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days. A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.
CVE-2024-6528, published 2024-07-11. Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days. CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause a vulnerability leading to a cross-site scripting condition where…
CVE-2025-13902, published 2026-03-10. Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days. CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause condition where authenticated attackers can have a victim’s browser…