CVE-2018-7240
No exploitation reported by the sources we read.
- Published2018-04-18
- WeaknessCWE-787
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
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.
Timeline
dates in UTC- 2018-04-1820:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-7240?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7240?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | all versions | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | all versions | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | all versions | no fix published | NVD |
10 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR0200
Modicon Premium: all versions · Modicon Quantum: all versions · Modicon M340: all versions · +1 more
Fix
- Mitigation from the vendor CISA ICSA-18-086-01 · 4 productsSchneider Electric recommends that users follow the instructions outlined in the Modicon Controllers Platform - Cyber Security, Reference Manual to install Modicon PLCs securely.
- Mitigation from the vendor CISA ICSA-18-086-01 · 4 productsSchneider Electric also recommends that affected users disable FTP services on the device during times when maintenance or configuration activities are not needed.
- Mitigation from the vendor CISA ICSA-18-086-01 · 4 productsFor more information please see Schneider Electric's security notification SEVD-2018-081-01
Advisories and patches
- www.schneider-electric.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.08.8read 2026-10-23
- NVDCVSS 2.06.5read 2026-10-23
- NVDweakness (CWE)CWE-787read 2026-10-23
- FIRST EPSSEPSS score3.2 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2018-04-18
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-7240?
Is CVE-2018-7240 actively exploited?
What is the CVSS score for CVE-2018-7240?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.