Security readout for executives and security teams
Some Fibaro Home Center 2 and Home Center Lite devices can be remotely shut down or rebooted without login if their internal management service is reachable. This is primarily an availability risk: smart-home or facility automation may be interrupted, but the provided sources do not show data theft or active exploitation. Exposure is likely where Fibaro Home Center 2 or Home Center Lite devices run firmware 4.600 or older and port 8000 is reachable from user, guest, IoT, or internet-adjacent networks. Treat this as a high-priority resilience issue for environments depending on Fibaro automation. Prioritize inventory, network restriction, and firmware review. Urgency increases if devices are reachable beyond a tightly controlled management network. Mitigation focus: Identify all Fibaro Home Center 2 and Home Center Lite devices.; Check Fibaro guidance for fixed firmware or vendor-recommended workarounds.; Update affected firmware when a vendor-approved fix is available..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-20990 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.iot-inspector.com/blog/advisory-fibaro-home-center/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.