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Fencer Vulns
critical 9.8

CVE-2018-7784 json

In Schneider Electric U.motion Builder software versions prior to v1.3.4, this exploit occurs when the submitted data of an input string is…

published 2018-07-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19496

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

In Schneider Electric U.motion Builder software versions prior to v1.3.4, this exploit occurs when the submitted data of an input string is evaluated as a command by the application. In this way, the attacker could execute code, read the stack, or cause a segmentation fault in the running application.

Patch / fix

  • schneider-electric u.motion 1.3.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-163-01 updated cvss 10.0

Schneider Electric U.motion Builder

  • Schneider Electric Software, LLC U.motion Builder < 1.3.4
    affected: vendor fix, mitigation “The firmware is available for download” 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

2.27% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Schneider Electric SE U.motion Builder

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.