How severe is CVE-2021-20992?

CVE-2021-20992 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-20992 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20992?

CVE-2021-20992 primarily affects Fibaro Home Center 2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20992?

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-2021-20992 published?

CVE-2021-20992 was published on 2021-04-19 and last updated on 2026-06-17.

CVE-2021-20992

CVE-2021-20992 is a high-severity vulnerability in Fibaro Home Center 2 Firmware with a CVSS 3.x base score of 8.1. 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-319.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Fibaro Home Center 2 Firmware
Published: 2021-04-19
Last modified: 2026-06-17

Description

In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords.

Frequently asked questions

What is CVE-2021-20992?: In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords.
How severe is CVE-2021-20992?: CVE-2021-20992 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-20992 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20992?: CVE-2021-20992 primarily affects Fibaro Home Center 2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20992?: 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-2021-20992 published?: CVE-2021-20992 was published on 2021-04-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:*

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