CVE-2018-7830

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request.

Score

CVSS 3.0 7.5 High

Status

Modified - cybersecurity@se.com

Published

2018-11-30

Last modified

2024-08-05

Weaknesses

CWE-113

Affected products

• Modicom Bmxnor0200h Firmware (Schneider-electric)
• Modicom M340 Firmware (Schneider-electric)
• Modicom Premium Firmware (Schneider-electric)
• Modicom Quantum Firmware (Schneider-electric)
• Embedded Web Servers In All Modicon M340 (Schneider Electric Se)
• Premium (Schneider Electric Se)
• Quantum Plcs And Bmxnor0200 (Schneider Electric Se)

References

• https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/
• https://www.tenable.com/security/research/tra-2018-38