How severe is CVE-2020-28392?

CVE-2020-28392 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-28392 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28392?

CVE-2020-28392 affects Siemens Simaris Configuration. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28392?

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

When was CVE-2020-28392 published?

CVE-2020-28392 was published on 2021-02-09 and last updated on 2026-06-17.

CVE-2020-28392

CVE-2020-28392 is a high-severity vulnerability in Siemens Simaris Configuration with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Siemens Simaris Configuration
Published: 2021-02-09
Last modified: 2026-06-17

Description

A vulnerability has been identified in SIMARIS configuration (All versions < V4.0.1). During installation to default target folder, incorrect permissions are configured for the application folder and subfolders which could allow an attacker to gain persistence or potentially escalate privileges should a user with elevated credentials log onto the machine.

Frequently asked questions

What is CVE-2020-28392?: A vulnerability has been identified in SIMARIS configuration (All versions < V4.0.1). During installation to default target folder, incorrect permissions are configured for the application folder and subfolders which could allow an attacker to gain persistence or potentially escalate privileges should a user with elevated credentials log onto the machine.
How severe is CVE-2020-28392?: CVE-2020-28392 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-28392 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28392?: CVE-2020-28392 affects Siemens Simaris Configuration. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28392?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-28392 published?: CVE-2020-28392 was published on 2021-02-09 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-794542.pdf

Affected products (1)

cpe:2.3:a:siemens:simaris_configuration:*:*:*:*:*:*:*:*

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