CVE-2025-54858
Estado: AnalizadaAlta (8.7)—
When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed JSON schema, and the security policy is applied to a virtual server, undisclosed requests can cause the bd process to terminate.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.35%
- Percentil entre todas las CVEs puntuadas: 26
- Fecha de la puntuación: 6/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access60 % - Impacto principal
T1499Endpoint Denial of Serviceimpact55 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (2)
CWE
- CWE-674
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-54858",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-54858",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-10-16T03:56:56.305285Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "f5sirt@f5.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "f5sirt@f5.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 8.7,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "f5sirt@f5.com",
"affectedData": [
{
"vendor": "F5",
"modules": [
"ASM",
"Advanced WAF"
],
"product": "BIG-IP",
"versions": [
{
"status": "affected",
"version": "17.5.0",
"lessThan": "17.5.1.3",
"versionType": "custom"
},
{
"status": "affected",
"version": "17.1.0",
"lessThan": "17.1.3",
"versionType": "custom"
},
{
"status": "affected",
"version": "16.1.0",
"lessThan": "16.1.6.1",
"versionType": "custom"
},
{
"status": "affected",
"version": "15.1.0",
"lessThan": "15.1.10.8",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2025-10-15T14:15:50.343",
"references": [
{
"url": "https://my.f5.com/manage/s/article/K000156621",
"tags": [
"Vendor Advisory"
],
"source": "f5sirt@f5.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "f5sirt@f5.com",
"description": [
{
"lang": "en",
"value": "CWE-674"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed JSON schema, and the security policy is applied to a virtual server, undisclosed requests can cause the bd process to terminate.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
}
],
"lastModified": "2026-06-17T09:40:48.820",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8CDAF78A-6C2B-4640-93DD-524A0D9D80CE",
"versionEndExcluding": "15.1.10.8",
"versionStartIncluding": "15.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "025BE711-822D-4840-920C-E8636DA97738",
"versionEndExcluding": "16.1.6.1",
"versionStartIncluding": "16.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0B24E3BE-8A62-4819-B63C-01EE10E6160F",
"versionEndExcluding": "17.1.3",
"versionStartIncluding": "17.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6DC6C7E3-7437-4E51-8FB7-7371CF963060",
"versionEndExcluding": "17.5.1.3",
"versionStartIncluding": "17.5.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2450DC77-B46C-4886-AC9A-CF78B1EC4F06",
"versionEndExcluding": "15.1.10.8",
"versionStartIncluding": "15.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5A23DB2A-FB60-4DA3-A7CD-D714BE1BDFBD",
"versionEndExcluding": "16.1.6.1",
"versionStartIncluding": "16.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BF0F0A9D-1B7E-4271-B309-64399AC7DD89",
"versionEndExcluding": "17.1.3",
"versionStartIncluding": "17.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6725ED7F-068C-49E2-AA9D-EDC1C053460D",
"versionEndExcluding": "17.5.1.3",
"versionStartIncluding": "17.5.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "f5sirt@f5.com"
}