How severe is CVE-2020-21989?

CVE-2020-21989 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-21989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21989?

CVE-2020-21989 affects Homeautomation Project Homeautomation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21989?

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-2020-21989 published?

CVE-2020-21989 was published on 2021-04-27 and last updated on 2026-06-17.

CVE-2020-21989

CVE-2020-21989 is a high-severity vulnerability in Homeautomation Project Homeautomation with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Homeautomation Project Homeautomation
Published: 2021-04-27
Last modified: 2026-06-17

Description

HomeAutomation 3.3.2 is affected by Cross Site Request Forgery (CSRF). The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Frequently asked questions

What is CVE-2020-21989?: HomeAutomation 3.3.2 is affected by Cross Site Request Forgery (CSRF). The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.
How severe is CVE-2020-21989?: CVE-2020-21989 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-21989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21989?: CVE-2020-21989 affects Homeautomation Project Homeautomation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21989?: 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-2020-21989 published?: CVE-2020-21989 was published on 2021-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:homeautomation_project:homeautomation:3.3.2:*:*:*:*:*:*:*

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