CVE-2018-7830

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-113

Affected software

No affected versions have been published.

Timeline

Published
Nov 30, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-7830: High severity, CVSS 7.5 | Vulnix