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No exploitation reportedFix available

CVE-2018-7783

No exploitation reported by the sources we read.

  • Published2018-07-03
  • WeaknessCWE-611

Am I 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

Schneider Electric SoMachine Basic prior to v1.6 SP1 suffers from an XML External Entity (XXE) vulnerability using the DTD parameter entities technique resulting in disclosure and retrieval of arbitrary data on the affected node via out-of-band (OOB) attack. The vulnerability is triggered when input passed to the xml parser is not sanitized while parsing the xml project/template file.

Timeline

dates in UTC
  1. 2018-07-0314:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-7783?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7783?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Schneider-electric somachine basic
BranchAffectedFixed in
1.6≤ 1.6no fix published

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

  • ICSA-21-103-01 CISA1 known affected

    Schneider Electric SoMachine Basic

    SoMachine Basic: all versions prior to v1.6 SP1

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-21-103-01 · 1 productSchneider Electric has replaced SoMachine Basic with EcoStruxure Machine Expert - Basic. The following steps are recommended for mitigation of this issue:STEP 1: Update software and firmware
  2. Mitigation from the vendor CISA ICSA-21-103-01 · 1 productOn the engineering workstation, update to EcoStruxure Machine Expert - Basic v1.1 SP1 or above.
  3. Mitigation from the vendor CISA ICSA-21-103-01 · 1 productOn Modicon M100/M200/M221 Logic controllers, update to latest firmware version.
  4. Mitigation from the vendor CISA ICSA-21-103-01 · 1 productSTEP 2: Update projects in EcoStruxure Machine Expert - Basic
  5. Mitigation from the vendor CISA ICSA-21-103-01 · 1 productUpgrade the functional level of the application to minimum Version 10.2
  6. Mitigation from the vendor CISA ICSA-21-103-01 · 1 productActivate the application protection for both read and write in the project properties.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.07.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-611read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-07-03
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-7783?

Schneider Electric SoMachine Basic prior to v1.6 SP1 suffers from an XML External Entity (XXE) vulnerability using the DTD parameter entities technique resulting in disclosure and retrieval of arbitrary data on the affected node via out-of-band (OOB) attack. The vulnerability is triggered when input passed to the xml parser is not sanitized while parsing the xml project/template file.

Is CVE-2018-7783 actively exploited?

Active exploitation of CVE-2018-7783 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7783?

CVE-2018-7783 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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