Denial of Service Vulnerability in Schneider Electric Web Server Products
CVE-2025-3112

7.1HIGH

Key Information:

Vendor

Schneider Electric
Status
Modicon Controllers M241/m251
Vendor
CVE Published:
10 June 2025

What is CVE-2025-3112?

An uncontrolled resource consumption vulnerability has been identified in Schneider Electric's web server products. This flaw could allow an authenticated user to manipulate the HTTPS Content-Length header, leading to potential Denial of Service attacks. By exploiting this vulnerability, malicious actors might disrupt service availability, impacting user access and operational efficiency.

Affected Version(s)

Modicon Controllers M241/M251 Versions prior to 5.3.12.51

References

https://download.schneider-electric.com/files?p_Doc_Ref=S...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-3112 : Denial of Service Vulnerability in Schneider Electric Web Server Products