CVE-2023-47537

An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fortiguard.com/psirt/FG-IR-23-301	Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-301	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios:7.4.0:::::::*
	cpe:2.3:o:fortinet:fortios:7.4.1:::::::*

History

No history.

Information

Published : 2024-02-15 14:15

Updated : 2026-01-14 10:16

NVD link : CVE-2023-47537

Mitre link : CVE-2023-47537

CVE.ORG link : CVE-2023-47537

JSON object : View

Products Affected

fortinet

fortios

CWE

CWE-295

Improper Certificate Validation

{"id": "CVE-2023-47537", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "published": "2024-02-15T14:15:45.240", "references": [{"url": "https://fortiguard.com/psirt/FG-IR-23-301", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}, {"url": "https://fortiguard.com/psirt/FG-IR-23-301", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions\t allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch."}, {"lang": "es", "value": "Una vulnerabilidad de validaci\u00f3n de certificado incorrecta en Fortinet FortiOS 7.0.0 - 7.0.13, 7.2.0 - 7.2.6 y 7.4.0 - 7.4.1 permite que un atacante remoto y no autenticado realice un ataque Man-in-the-Middle en el Canal de comunicaci\u00f3n FortiLink entre el dispositivo FortiOS y FortiSwitch."}], "lastModified": "2026-01-14T10:16:01.877", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C119229A-3805-47C1-B3F9-AF1A4007A63B", "versionEndExcluding": "7.0.14", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24D09A92-81EC-4003-B017-C67FC739EEBF", "versionEndIncluding": "7.2.6", "versionStartIncluding": "7.2.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61540F5B-080A-4D44-8BE0-75D7A0DCCB53"}, {"criteria": "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17FE168A-0EA4-467C-91D2-87EB6D83917A"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}