Skip to content
Fencer Vulns
critical 9.8

CVE-2020-7485 json

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper…

published 2020-04-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28610

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper access to the TriStation host machine. This was addressed in TriStation version v4.9.1 and v4.10.1 released on May 30, 2013.1

Vendor advisories

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

cisa ICSA-20-205-01 updated cvss 5.5

Schneider Electric Triconex TriStation and Tricon Communication Module

  • Schneider Electric Software, LLC Tricon Communications Module (TCM) Models 4351 4352 4351A/B and 4352A/B installed in Tricon >= 10.0, <= 10.5.3 Schneider Electric Software, LLC TriStation 1131 >= 1.0., <=4.9.0, 4.10.0, 4.12.0
    affected: mitigation “Schneider Electric notified customers of updated product availability via direct-to-customer notification and fixed versions of these offers are available for download here.” pasupport.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

1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/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

  • n/a TriStation TS1131 (v4.0.0 to v4.9.0, v4.10.0)

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.