CVE-2023-42782
Estado: ModificadaMedia (5.3)—
A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.31%
- Percentil entre todas las CVEs puntuadas: 22
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-345
- CWE-345
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-42782",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-42782",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-18T20:37:50.243924Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@fortinet.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@fortinet.com",
"affectedData": [
{
"vendor": "Fortinet",
"product": "FortiAnalyzer",
"versions": [
{
"status": "affected",
"version": "7.4.0"
},
{
"status": "affected",
"version": "7.2.0",
"versionType": "semver",
"lessThanOrEqual": "7.2.3"
},
{
"status": "affected",
"version": "7.0.0",
"versionType": "semver",
"lessThanOrEqual": "7.0.9"
},
{
"status": "affected",
"version": "6.4.0",
"versionType": "semver",
"lessThanOrEqual": "6.4.13"
},
{
"status": "affected",
"version": "6.2.0",
"versionType": "semver",
"lessThanOrEqual": "6.2.12"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*"
],
"vendor": "fortinet",
"product": "fortianalyzer",
"versions": [
{
"status": "affected",
"version": "7.4.0"
},
{
"status": "affected",
"version": "7.2.0",
"versionType": "custom",
"lessThanOrEqual": "7.2.3"
},
{
"status": "affected",
"version": "7.0.0",
"versionType": "custom",
"lessThanOrEqual": "7.0.9"
},
{
"status": "affected",
"version": "6.4.0",
"versionType": "custom",
"lessThanOrEqual": "6.4.13"
},
{
"status": "affected",
"version": "6.2.0",
"versionType": "custom",
"lessThanOrEqual": "6.2.12"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:fortinet:fortianalyzer-bigdata:*:*:*:*:*:*:*:*"
],
"vendor": "fortinet",
"product": "fortianalyzer-bigdata",
"versions": [
{
"status": "affected",
"version": "7.2.0",
"versionType": "custom",
"lessThanOrEqual": "7.2.5"
},
{
"status": "affected",
"version": "7.0"
},
{
"status": "affected",
"version": "6.4"
},
{
"status": "affected",
"version": "6.2"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*"
],
"vendor": "fortinet",
"product": "fortimanager",
"versions": [
{
"status": "affected",
"version": "7.4.0"
},
{
"status": "affected",
"version": "7.2.0",
"versionType": "custom",
"lessThanOrEqual": "7.2.3"
},
{
"status": "affected",
"version": "7.0.0",
"versionType": "custom",
"lessThanOrEqual": "7.0.9"
},
{
"status": "affected",
"version": "6.4"
},
{
"status": "affected",
"version": "6.2"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2023-10-10T17:15:12.873",
"references": [
{
"url": "https://fortiguard.com/psirt/FG-IR-23-221",
"tags": [
"Vendor Advisory"
],
"source": "psirt@fortinet.com"
},
{
"url": "https://fortiguard.com/psirt/FG-IR-23-221",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@fortinet.com",
"description": [
{
"lang": "en",
"value": "CWE-345"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-345"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number."
},
{
"lang": "es",
"value": "Una vulnerabilidad de verificación insuficiente de autenticidad de datos [CWE-345] en FortiAnalyzer versión 7.4.0 y anteriores a 7.2.3 permite que un atacante remoto no autenticado envíe mensajes al servidor syslog de FortiAnalyzer a través del conocimiento de un número de serie de dispositivo autorizado."
}
],
"lastModified": "2026-06-17T06:24:29.417",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "285EC81A-34F0-4153-82DE-6A49C05EB240",
"versionEndIncluding": "6.2.12",
"versionStartIncluding": "6.2.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "56D6A507-5B18-4F62-9B08-98122FB2F23B",
"versionEndIncluding": "6.4.13",
"versionStartIncluding": "6.4.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CCE23C15-B42C-48DF-9435-27D5143F0B5C",
"versionEndIncluding": "7.0.9",
"versionStartIncluding": "7.0.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B31BB84A-E622-4911-AAB4-41E57F661A8D",
"versionEndIncluding": "7.2.3",
"versionStartIncluding": "7.2.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortianalyzer:7.4.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "91A9AF01-72FD-4942-A95E-71A7609B6977"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@fortinet.com"
}