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. The session numbers generated by the web application are lacking randomization and ...
9.1CVSS
8.9AI Score
0.022EPSS
An Insufficiently Protected Credentials issue was discovered in Schneider Electric Modicon PLCs Modicon M241, all firmware versions, and Modicon M251, all firmware versions. Log-in credentials are sent over the network with Base64 encoding leaving them susceptible to sniffing. Sniffed credentials c...
9.8CVSS
9.3AI Score
0.002EPSS
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, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected pro...
6.5CVSS
6.2AI Score
0.001EPSS
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 received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC...
8.2CVSS
8.1AI Score
0.001EPSS
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.
9.8CVSS
9.5AI Score
0.002EPSS
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.
7.5CVSS
7.3AI Score
0.002EPSS
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.
7.5CVSS
7.3AI Score
0.001EPSS
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-siteScripting') vulnerability exists that could cause a vulnerability leading to a cross-site scriptingcondition where attackers can have a victim’s browser run arbitrary JavaScript when they visit apage containing the inje...
6.1CVSS
5.5AI Score
0.0005EPSS