CVE-2021-44159

4MOSAn GCB Doctor’s file upload function has improper user privilege control. A remote attacker can upload arbitrary files including webshell files without authentication and execute arbitrary code in order to perform arbitrary system operations or deny of service attack.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 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

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html	Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:4mosan:gcb_doctor:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:30

Type	Values Removed	Values Added
References	~~() https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html - Third Party Advisory~~	() https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html - Third Party Advisory

Information

Published : 2021-12-20 03:15

Updated : 2024-11-21 06:30

NVD link : CVE-2021-44159

Mitre link : CVE-2021-44159

CVE.ORG link : CVE-2021-44159

JSON object : View

Products Affected

4mosan

gcb_doctor

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

{"id": "CVE-2021-44159", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "twcert@cert.org.tw", "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}]}, "published": "2021-12-20T03:15:06.650", "references": [{"url": "https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html", "tags": ["Third Party Advisory"], "source": "twcert@cert.org.tw"}, {"url": "https://www.twcert.org.tw/tw/cp-132-5395-eee40-1.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "twcert@cert.org.tw", "description": [{"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "4MOSAn GCB Doctor\u2019s file upload function has improper user privilege control. A remote attacker can upload arbitrary files including webshell files without authentication and execute arbitrary code in order to perform arbitrary system operations or deny of service attack."}, {"lang": "es", "value": "La funci\u00f3n file upload de 4MOSUAn GCB Doctor, presenta un control inapropiado de los privilegios del usuario. Un atacante remoto puede cargar archivos arbitrarios, incluyendo archivos webshell, sin autenticaci\u00f3n y ejecutar c\u00f3digo arbitrario para llevar a cabo operaciones arbitrarias del sistema o un ataque de denegaci\u00f3n de servicio"}], "lastModified": "2024-11-21T06:30:28.083", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:4mosan:gcb_doctor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62B0DE1A-AE43-4274-A34C-9C364659C1C9", "versionEndExcluding": "2021-09-16"}], "operator": "OR"}]}], "sourceIdentifier": "twcert@cert.org.tw"}