CVE-2020-9291

An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.

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/psirt/FG-IR-20-040	Broken Link
https://www.fortiguard.com/psirt/FG-IR-20-040	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

20 Apr 2021, 17:31

Type	Values Removed	Values Added
References		(MISC) https://www.fortiguard.com/psirt/FG-IR-20-040 - Vendor Advisory
References	~~(MISC) https://fortiguard.com/psirt/FG-IR-20-040 - Vendor Advisory~~	(MISC) https://fortiguard.com/psirt/FG-IR-20-040 - Broken Link

Information

Published : 2020-06-01 19:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-9291

Mitre link : CVE-2020-9291

CVE.ORG link : CVE-2020-9291

JSON object : View

Products Affected

fortinet

forticlient

CWE

CWE-668

Exposure of Resource to Wrong Sphere

{"id": "CVE-2020-9291", "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": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.8}]}, "published": "2020-06-01T19:15:10.190", "references": [{"url": "https://fortiguard.com/psirt/FG-IR-20-040", "tags": ["Broken Link"], "source": "psirt@fortinet.com"}, {"url": "https://www.fortiguard.com/psirt/FG-IR-20-040", "tags": ["Vendor Advisory"], "source": "nvd@nist.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-668"}]}], "descriptions": [{"lang": "en", "value": "An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack."}, {"lang": "es", "value": "Una Vulnerabilidad de Archivos Temporales No Seguros en FortiClient para Windows versiones 6.2.1 y posteriores, puede permitir a un usuario local alcanzar privilegios elevados por medio del agotamiento del conjunto de nombres de archivos temporales combinado con un ataque de enlace simb\u00f3lico."}], "lastModified": "2021-04-20T17:31:45.393", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "C3D3CD6A-530D-49F7-85B1-010D01AF8055", "versionEndIncluding": "6.0.9"}, {"criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "FDD1980D-3795-46FF-82E7-4D225A245779", "versionEndIncluding": "6.2.1", "versionStartIncluding": "6.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}