CVE-2018-7242

mediumpriority · track · 40OT risk · elevatedEPSS 0.019 · 79 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.88% (79th) EPSS

CVSS 5 · medium

Is it mine?

122 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules. The algorithm used to encrypt the password is vulnerable to hash collision attacks.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationModicon M340cisa_csaf_ot
Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.
MitigationModicon Premiumcisa_csaf_ot
Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.
MitigationModicon Quantumcisa_csaf_ot
Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.
MitigationModicon X80 RTU (BMXNOR0200H)cisa_csaf_ot
Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5–9.8

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Hsecondary · CISA US

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-326USprimaryCWE-327USCWE-327US

affected products (122)

Products and version ranges known to be affected.

Modicon M340: all versionsall versionscisa_csaf_otUS
Modicon Premium: all versionsall versionscisa_csaf_otUS
Modicon Quantum: all versionsall versionscisa_csaf_otUS
Modicon X80 RTU (BMXNOR0200H): all versionsall versionscisa_csaf_otUS
Schneider Electric Software, LLC Modicon M340all versionscisa_csaf_otUS
Schneider Electric Software, LLC Modicon Premiumall versionscisa_csaf_otUS
Schneider Electric Software, LLC Modicon Quantumall versionscisa_csaf_otUS
Schneider Electric Software, LLC Modicon X80 RTU (BMXNOR0200H)all versionscisa_csaf_otUS
Schneider Electric SE Modicon Premium, Modicon Quantum, Modicon M340, BMXNOR0200≤ All versions of communication modules for Modicon Premium, Quantum, M340 and BMXNOR0200enisa_euvdEU
Schneider Electric 140CPU31110all versionsfstec_bduRU
Schneider Electric 140CPU31110Call versionsfstec_bduRU
Schneider Electric 140CPU43412Uall versionsfstec_bduRU
Schneider Electric 140CPU43412UCall versionsfstec_bduRU
Schneider Electric 140CPU65150all versionsfstec_bduRU
Schneider Electric 140CPU65150Call versionsfstec_bduRU
Schneider Electric 140CPU65160all versionsfstec_bduRU
Schneider Electric 140CPU65160Call versionsfstec_bduRU
Schneider Electric 140CPU65160Sall versionsfstec_bduRU
Schneider Electric 140CPU65260all versionsfstec_bduRU
Schneider Electric 140CPU65260Call versionsfstec_bduRU

showing 20 of 122

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-086-01Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR02002018-03-27icsa · cisa_csaf_otUS
ATTENTION: Exploitable remotely/low skill level to exploit.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot NVD CVE.org MITRE

published 2018-04-18modified 2026-06-17

related (696)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2018-18325US	high7.5OT critical	74.0% (99th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input parameters. NOTE: this issue exists because of an incomplete fix for CVE-2018-15811.
CVE-2018-15811US	high7.5OT critical	76.3% (100th)	KEV	2019-07-03
DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters.
CVE-2017-1000486US	critical9.8OT critical	94.1% (100th)	KEV	2018-01-03
Primetek Primefaces 5.x is vulnerable to a weak encryption flaw resulting in remote code execution
CVE-2017-11317US	critical9.8OT critical	84.2% (100th)	KEV	2017-08-23
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX before R1 2017 and R2 before R2 2017 SP2 uses weak RadAsyncUpload encryption, which allows remote attackers to perform arbitr…
CVE-2016-2183US	high7.5OT high	94.7% (100th)	Exploit	2016-09-01
The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which mak…

+691 more

references (9)

External citations — patches, advisories, analysis.

https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01 cnnvd
https://www.schneider-electric.com/Patchcnnvd
https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/cnnvd
http://www.securityfocus.com/bid/103543 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01 enisa_euvd
https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/enisa_euvd
http://www.securityfocus.com/bid/103543Third Party AdvisoryVDB Entrynvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01Third Party AdvisoryUS Government Resourcenvd

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