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Fencer Vulns
high 7.8

CVE-2020-7544 json

A CWE-269 Improper Privilege Management vulnerability exists in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD) that could cause p…

published 2020-11-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28669

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

A CWE-269 Improper Privilege Management vulnerability exists in EcoStruxureª Operator Terminal Expert runtime (Vijeo XD) that could cause privilege escalation on the workstation when interacting directly with a driver installed by the runtime software of EcoStruxureª Operator Terminal Expert.

Patch / fix

  • schneider-electric operator_terminal_expert_runtime 3.1

Vendor advisories

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

cisa ICSA-20-336-01 updated cvss 7.4

Schneider Electric EcoStruxure Operator Terminal Expert runtime (Vijeo XD)

  • Schneider Electric Software, LLC Harmony iPC (HMIG5U HMIG5U2) using legacy BIOS EcoStruxure Operator Terminal Expert Runtime <= 3.1 Service Pack 1A Schneider Electric Software, LLC Windows PC using legacy BIOS EcoStruxure Operator Terminal Expert Runtime <= 3.1 Service Pack 1A
    affected: mitigation “Use EcoStruxure Operator Terminal Expert runtime software only on a trusted workstation.” se.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

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a EcoStruxureª Operator Terminal Expert runtime (Vijeo XD)

Classification

Weakness
  • CWE-269 Improper Privilege Management

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.