CVE-2021-36183

An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

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

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://fortiguard.com/advisory/FG-IR-20-079	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-11-02 19:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-36183

Mitre link : CVE-2021-36183

CVE.ORG link : CVE-2021-36183

JSON object : View

Products Affected

fortinet

forticlient

CWE

NVD-CWE-Other

{"id": "CVE-2021-36183", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/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": 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": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.4}]}, "published": "2021-11-02T19:15:07.830", "references": [{"url": "https://fortiguard.com/advisory/FG-IR-20-079", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates."}, {"lang": "es", "value": "Una vulnerabilidad de autorizaci\u00f3n inapropiada [CWE-285] en FortiClient para Windows versiones 7.0.1 y por debajo y versiones 6.4.2 y por debajo, puede permitir a un atacante local no privilegiado escalar sus privilegios a SYSTEM por medio de la tuber\u00eda con nombre responsable de las actualizaciones de Forticlient"}], "lastModified": "2022-05-03T16:04:40.443", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "5E08E1BC-51E1-45A9-A561-F5A26ABD01D8", "versionEndIncluding": "6.4.2", "versionStartIncluding": "6.4.0"}, {"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "650BF971-DE28-4FE8-AF8D-2E9CC2E437E2", "versionEndIncluding": "7.0.1", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}