CVE-2020-36905

CVE-2020-36905 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-829.

Key facts

Description

FIBARO System Home Center 5.021 contains a remote file inclusion vulnerability in the undocumented proxy API that allows attackers to include arbitrary client-side scripts. Attackers can exploit the 'url' GET parameter to inject malicious JavaScript and potentially hijack user sessions or manipulate page content.

Frequently asked questions

What is CVE-2020-36905?
FIBARO System Home Center 5.021 contains a remote file inclusion vulnerability in the undocumented proxy API that allows attackers to include arbitrary client-side scripts. Attackers can exploit the 'url' GET parameter to inject malicious JavaScript and potentially hijack user sessions or manipulate page content.
How severe is CVE-2020-36905?
CVE-2020-36905 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-36905 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36905?
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.
Does CVE-2020-36905 have an EU (EUVD) identifier?
Yes. CVE-2020-36905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1031.
When was CVE-2020-36905 published?
CVE-2020-36905 was published on 2026-01-06 and last updated on 2026-06-17.

References

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