CVE-2021-20991 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.34187.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fibar Group S.A

Fibaro Home Center

affected

Version	Status	Constraints
`Home Center 2`	affected	≤ 4.540
`Home Center Lite`	affected	≤ 4.540

Configuration 1 [-]

AND

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

cpe:2.3:h:fibaro:home_center_2:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

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

cpe:2.3:h:fibaro:home_center_lite:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Fibaro Subscribe	Home Center 2 Subscribe Home Center 2 Firmware Subscribe Home Center Lite Subscribe Home Center Lite Firmware Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html
http://seclists.org/fulldisclosure/2021/Apr/27
https://www.iot-inspector.com/blog/advisory-fibaro-home-center/

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-04-19T14:05:02.629936Z

Updated: 2024-09-16T17:42:55.068Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20991

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-19T14:15:11.787

Modified: 2024-11-21T05:47:20.827

Link: CVE-2021-20991

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "Fibaro Home Center", "vendor": "Fibar Group S.A", "versions": [{"lessThanOrEqual": "4.540", "status": "affected", "version": "Home Center 2", "versionType": "custom"}, {"lessThanOrEqual": "4.540", "status": "affected", "version": "Home Center Lite", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Marton Illes IoT Inspector Research Lab https://www.iot-inspector.com"}], "datePublic": "2021-04-15T00:00:00", "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78 OS Command Injection", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-20T17:06:18", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/"}, {"name": "20210419 [CVE-2021-20989, CVE-2021-20990, CVE-2021-20991, CVE-2021-20992] Multiple vulnerabilities in Fibaro Home Center", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2021/Apr/27"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Fibaro Home Center Authenticated remote command execution", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-04-15T10:00:00.000Z", "ID": "CVE-2021-20991", "STATE": "PUBLIC", "TITLE": "Fibaro Home Center Authenticated remote command execution"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Fibaro Home Center", "version": {"version_data": [{"version_affected": "<=", "version_name": "Home Center 2", "version_value": "4.540"}, {"version_affected": "<=", "version_name": "Home Center Lite", "version_value": "4.540"}]}}]}, "vendor_name": "Fibar Group S.A"}]}}, "credit": [{"lang": "eng", "value": "Marton Illes IoT Inspector Research Lab https://www.iot-inspector.com"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-78 OS Command Injection"}]}]}, "references": {"reference_data": [{"name": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/", "refsource": "CONFIRM", "url": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/"}, {"name": "20210419 [CVE-2021-20989, CVE-2021-20990, CVE-2021-20991, CVE-2021-20992] Multiple vulnerabilities in Fibaro Home Center", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2021/Apr/27"}, {"name": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:23.188Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/"}, {"name": "20210419 [CVE-2021-20989, CVE-2021-20990, CVE-2021-20991, CVE-2021-20992] Multiple vulnerabilities in Fibaro Home Center", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2021/Apr/27"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html"}]}]}, "cveMetadata": {"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-20991", "datePublished": "2021-04-19T14:05:02.629936Z", "dateReserved": "2020-12-17T00:00:00", "dateUpdated": "2024-09-16T17:42:55.068Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fibaro:home_center_2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5E54F03F-D990-48DD-8031-C009E4BE774B", "versionEndIncluding": "4.540", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:fibaro:home_center_2:-:*:*:*:*:*:*:*", "matchCriteriaId": "8021D17B-DD82-46D0-AE92-372649467F1F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fibaro:home_center_lite_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5A6A0A5C-DC0C-43B8-ACCD-8E2AB5530C79", "versionEndIncluding": "4.540", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:fibaro:home_center_lite:-:*:*:*:*:*:*:*", "matchCriteriaId": "6A19AFCC-B670-450C-8B64-7770C86B4692", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En dispositivos Fibaro Home Center versi\u00f3n 2 y Lite con versiones de firmware 4.540 y anteriores, un usuario autenticado puede ejecutar comandos como usuario root usando una vulnerabilidad de inyecci\u00f3n de comandos"}], "id": "CVE-2021-20991", "lastModified": "2024-11-21T05:47:20.827", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-19T14:15:11.787", "references": [{"source": "info@cert.vde.com", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html"}, {"source": "info@cert.vde.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Apr/27"}, {"source": "info@cert.vde.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Apr/27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.iot-inspector.com/blog/advisory-fibaro-home-center/"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "info@cert.vde.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}