CVE-2021-43066

A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-21-154	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:forticlient::::::windows::*
	cpe:2.3:a:fortinet:forticlient::::::windows::*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-610~~	CWE-668

19 May 2022, 14:21

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
CPE		cpe:2.3:a:fortinet:forticlient::::::windows::*
References	~~(CONFIRM) https://fortiguard.com/advisory/FG-IR-21-154 -~~	(CONFIRM) https://fortiguard.com/advisory/FG-IR-21-154 - Vendor Advisory
CWE		CWE-610

11 May 2022, 17:20

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-05-11 16:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-43066

Mitre link : CVE-2021-43066

CVE.ORG link : CVE-2021-43066

JSON object : View

Products Affected

fortinet

forticlient

CWE

CWE-668

Exposure of Resource to Wrong Sphere

{"id": "CVE-2021-43066", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.8, "exploitabilityScore": 2.0}]}, "published": "2022-05-11T16:15:08.770", "references": [{"url": "https://fortiguard.com/advisory/FG-IR-21-154", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-668"}]}], "descriptions": [{"lang": "en", "value": "A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer."}, {"lang": "es", "value": "Un control externo de nombre de archivo o ruta en Fortinet FortiClientWindows versiones 7.0.2 y anteriores, versiones 6.4.6 y anteriores, versiones 6.2.9 y anteriores, versiones 6.0.10 y anteriores, permite a un atacante escalar privilegios por medio del instalador MSI"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "B4886B58-EA8B-4B1C-B27A-CDA37E64CDFF", "versionEndExcluding": "6.4.7", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "AD8E11D5-CE9E-4F3B-AE22-46EDE90E0CE3", "versionEndExcluding": "7.0.3", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}