CVE-2018-7240 json
A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary cod…
published 2018-04-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18979
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-18-086-01 updated cvss 4.8
Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR0200
-
Schneider Electric Software, LLC Modicon M340 Schneider Electric Software, LLC Modicon Premium Schneider Electric Software, LLC Modicon Quantum Schneider Electric Software, LLC Modicon X80 RTU (BMXNOR0200H)affected: mitigation “Schneider Electric recommends that users follow the instructions outlined in the Modicon Controllers Platform - Cyber Security, Reference Manual to install Modicon PLCs securely.” schneider-electric.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Schneider Electric SE Modicon Quantum
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
schneider-electric.com
/en/download/document/SEVD-2018-081-01/
vendor-advisory
-
securityfocus.com
/bid/103541
vdb-entry, third-party-advisory
-
ics-cert.us-cert.gov
/advisories/ICSA-18-086-01
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2018-7240
- NVD CVE-2018-7240
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