How severe is CVE-2020-7485?

CVE-2020-7485 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7485 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7485?

CVE-2020-7485 primarily affects Schneider-electric Tristation 1131. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7485?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-7485 published?

CVE-2020-7485 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2020-7485

CVE-2020-7485 is a critical-severity vulnerability in Schneider-electric Tristation 1131 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Schneider-electric Tristation 1131
Published: 2020-04-16
Last modified: 2026-06-17

Description

**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

Frequently asked questions

What is CVE-2020-7485?: **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
How severe is CVE-2020-7485?: CVE-2020-7485 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7485 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7485?: CVE-2020-7485 primarily affects Schneider-electric Tristation 1131. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7485?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-7485 published?: CVE-2020-7485 was published on 2020-04-16 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:schneider-electric:tristation_1131:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:tristation_1131:4.10.0:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:tristation_1131:4.12.0:*:*:*:*:*:*:*

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