How severe is CVE-2020-28403?

CVE-2020-28403 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-28403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28403?

CVE-2020-28403 affects Iris Star. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28403?

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-2020-28403 published?

CVE-2020-28403 was published on 2021-01-29 and last updated on 2026-06-17.

CVE-2020-28403

CVE-2020-28403 is a high-severity vulnerability in Iris Star with a CVSS 3.x base score of 8.0. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 6.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Iris Star
Published: 2021-01-29
Last modified: 2026-06-17

Description

A Cross-Site Request Forgery (CSRF) vulnerability exists in Star Practice Management Web version 2019.2.0.6, allowing an attacker to change the privileges of any user of the application. This can be used to grant himself administrative role or remove the administrative account of the application.

Frequently asked questions

What is CVE-2020-28403?: A Cross-Site Request Forgery (CSRF) vulnerability exists in Star Practice Management Web version 2019.2.0.6, allowing an attacker to change the privileges of any user of the application. This can be used to grant himself administrative role or remove the administrative account of the application.
How severe is CVE-2020-28403?: CVE-2020-28403 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-28403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28403?: CVE-2020-28403 affects Iris Star. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28403?: 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-2020-28403 published?: CVE-2020-28403 was published on 2021-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iris:star:2019.2.0.6:*:*:*:*:*:*:*

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