FKIE_CVE-2023-47537
Vulnerability from fkie_nvd - Published: 2024-02-15 14:15 - Updated: 2026-06-17 06:32
Severity
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium) - CVSS:3.1/
Summary
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.
References
| URL | Tags | ||
|---|---|---|---|
| psirt@fortinet.com | https://fortiguard.com/psirt/FG-IR-23-301 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://fortiguard.com/psirt/FG-IR-23-301 | Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiOS",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.4.1",
"status": "affected",
"version": "7.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2.6",
"status": "affected",
"version": "7.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.0.15",
"status": "affected",
"version": "7.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.4.16",
"status": "affected",
"version": "6.4.0",
"versionType": "semver"
}
]
}
],
"source": "psirt@fortinet.com"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "fortios",
"vendor": "fortinet",
"versions": [
{
"status": "affected",
"version": "6.4.0"
},
{
"status": "affected",
"version": "7.0.0"
},
{
"status": "affected",
"version": "7.2.0"
},
{
"status": "affected",
"version": "7.4.0"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C119229A-3805-47C1-B3F9-AF1A4007A63B",
"versionEndExcluding": "7.0.14",
"versionStartIncluding": "7.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
"matchCriteriaId": "24D09A92-81EC-4003-B017-C67FC739EEBF",
"versionEndIncluding": "7.2.6",
"versionStartIncluding": "7.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "61540F5B-080A-4D44-8BE0-75D7A0DCCB53",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "17FE168A-0EA4-467C-91D2-87EB6D83917A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"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."
}
],
"id": "CVE-2023-47537",
"lastModified": "2026-06-17T06:32:51.717",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "psirt@fortinet.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-47537",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-21T13:43:02.127242Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-02-15T14:15:45.240",
"references": [
{
"source": "psirt@fortinet.com",
"tags": [
"Vendor Advisory"
],
"url": "https://fortiguard.com/psirt/FG-IR-23-301"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://fortiguard.com/psirt/FG-IR-23-301"
}
],
"sourceIdentifier": "psirt@fortinet.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "psirt@fortinet.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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