Priority LOW 23
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 run arbitrary JavaScri…
CVSS 4.0MEDIUM 5.1· Network · Low privileges · User interaction · EPSS 0.0027 · Published 2026-03-10 · Fixed in 5.4.13.12 CWE-79
Priority LOW 37
CWE-404 Improper Resource Shutdown or Release vulnerability exists that could cause partial Denial of Service on Machine Expert protocol when an unauthenticated attacker sends malicious payload to occupy active communica…
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00533 · Published 2026-03-10 · Fixed in 5.4.13.12, 5.4.10.12 CWE-404
Priority LOW 27
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 attackers can have a vi…
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00259 · Published 2024-07-11 · No fix listed CWE-79
Priority LOW 35
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 specific crafted requests are sent to the controller over HTTP.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00978 · Published 2021-05-26 · No fix listed CWE-20
Priority MEDIUM 41
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 controllers.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00893 · Published 2020-04-22 · No fix listed CWE-319
Priority MEDIUM 43
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00692 · Published 2020-04-22 · No fix listed CWE-345
Priority MEDIUM 44
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 specific Ethernet frame is…
CVSS 3.1HIGH 8.2· Network · No auth · No interaction · EPSS 0.01275 · Published 2019-05-22 · No fix listed CWE-306
Priority LOW 39
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, Modicon M241, firmware versions prior to Version 4.0.5.11,…
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.02184 · Published 2017-06-30 · Fixed in 1.5.0.0, 4.0.5.11 CWE-343
Priority MEDIUM 46
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0225 · Published 2017-06-30 · No fix listed CWE-522
Priority MEDIUM 63
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 Modicon M251, firmware versions prior to Version 4.0.5.11.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.3182 · Published 2017-06-30 · No fix listed CWE-330