CVE-2021-38679

An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-22-01	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qnap:kazoo_server:*:*:*:*:*:*:*:*

History

23 Feb 2022, 17:47

Type	Values Removed	Values Added
First Time		Qnap kazoo Server Qnap
CPE		cpe:2.3:a:qnap:kazoo_server::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CWE		CWE-287
References	~~(MISC) https://www.qnap.com/en/security-advisory/qsa-22-01 -~~	(MISC) https://www.qnap.com/en/security-advisory/qsa-22-01 - Vendor Advisory

11 Feb 2022, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-11 14:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-38679

Mitre link : CVE-2021-38679

CVE.ORG link : CVE-2021-38679

JSON object : View

Products Affected

qnap

kazoo_server

CWE

CWE-287

Improper Authentication

{"id": "CVE-2021-38679", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2022-02-11T14:15:08.017", "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-22-01", "tags": ["Vendor Advisory"], "source": "security@qnapsecurity.com.tw"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later"}, {"lang": "es", "value": "Se ha informado de una vulnerabilidad de autenticaci\u00f3n inapropiada que afecta a los NAS de QNAP que ejecutan Kazoo Server. Si es explotado, esta vulnerabilidad permite a atacantes comprometer la seguridad del sistema. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de Kazoo Server: Kazoo Server versiones 4.11.22 y posteriores"}], "lastModified": "2022-02-23T17:47:32.280", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qnap:kazoo_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F809951-6303-45DC-873F-90CAA716F80C", "versionEndExcluding": "4.11.22"}], "operator": "OR"}]}], "sourceIdentifier": "security@qnapsecurity.com.tw"}