Description

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability
exists in Certificates page on Webserver that could cause an unvalidated data injected by authenticated
malicious user leading to modify or read data in a victim’s browser.

Classification

CVE ID: CVE-2025-3899

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.4

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Products

Vendor: Schneider Electric

Product: Modicon Controllers M241/M251

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 2.62% (scored less or equal to compared to others)

EPSS Date: 2025-06-17 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3899
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-161-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-161-02.pdf

Timeline