Fibaro Home Center Authenticated remote command execution
Priority MEDIUM 50CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
In Fibaro Home Center 2 and Lite devices with firmware version 4.540 and older an authenticated user can run commands as root user using a command injection vulnerability.
Why it matters now
EPSS 0.05437 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fibar Group S.A | Fibaro Home Center | Home Center 2 – 4.540; Home Center Lite – 4.540 | — | No fix listed | CNA |
- Fibaro Home Center VendorFibar Group S.A Affected Home Center 2 – 4.540; Home Center Lite – 4.540 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:* | up to 4.540 | Vulnerable | Fibar Group S.A |
| cpe:2.3:h:fibaro:home_center_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Fibar Group S.A |
| cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:* | up to 4.540 | Vulnerable | Fibar Group S.A |
| cpe:2.3:h:fibaro:home_center_lite:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Fibar Group S.A |
- cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:* Versions up to 4.540 Vulnerable ·Fibar Group S.A
- cpe:2.3:h:fibaro:home_center_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fibar Group S.A
- cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:* Versions up to 4.540 Vulnerable ·Fibar Group S.A
- cpe:2.3:h:fibaro:home_center_lite:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fibar Group S.A
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20991
- 2026-10-03 Alias added: GHSA-2v74-gvxm-8wmq
References
Exploit 2
More Fibar Group S.A Home Center 2 Firmware vulnerabilities
- TI-2021-04096 Fibaro Home Center Unauthenticated access to shutdown, reboot and reboot to recovery mode CVSS 3.1HIGH 7.5
- TI-2021-04098 Fibaro Home Center Unencrypted management interface CVSS 3.1HIGH 8.1
- TI-2021-04095 Fibaro Home Center Insufficient remote access server authorization CVSS 3.1MEDIUM 5.9
Sources
- CVE-2021-20991 · CVE Program
- CVE-2021-20991 · NVD
- FIRST EPSS
- GHSA-2v74-gvxm-8wmq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences