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CVE-2018-7830

N/A
Published: November 30, 2018 at 07:00 PM UTC
Updated: June 17, 2026 at 02:03 AM UTC
12 products affected across 1 vendorModicom M340 FirmwareModicom BMXNOR0200H FirmwareModicom Quantum Firmware

Using Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 by Schneider Electric SE?

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Severity
N/A
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Modicom BMXNOR0200H Firmware· Schneider Electric
95%
All versions
schneider-electric-modicom-bmxnor0200h (same device)
Modicom M340 Firmware· Schneider Electric
95%
All versions
Modicom Premium Firmware· Schneider Electric
95%
All versions
schneider-electric-modicom-premium (same device)
Modicom Quantum Firmware· Schneider Electric
95%
All versions
schneider-electric-modicom-quantum (same device)
BMXNOR0200· Schneider Electric
60%
All versions
Modicon M340· Schneider Electric
60%
All versions
schneider-electric-modicom-m340 (same device)
Modicon Premium· Schneider Electric
60%
All versions
Modicon Quantum· Schneider Electric
60%
All versions
Modicom Bmxnor0200H· Schneider Electricdevice
80%
All versions
Modicom M340· Schneider Electricdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.tenable.com/security/research/tra-2018-38

CVSS

5MEDIUM[email protected]
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-113

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