CVE-2022-46403
Estado: ModificadaAlta (8.6)—
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.86%
- Percentil entre todas las CVEs puntuadas: 57
- 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).
Tecnologías afectadas (9)
CWE
- NVD-CWE-noinfo
- CWE-755
Referencias
- https://microchip.com
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le
- https://microchip.com
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-46403",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-46403",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-04-17T14:07:59.108277Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.6,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
"exploitabilityScore": 3.9
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.6,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2022-12-19T23:15:11.147",
"references": [
{
"url": "https://microchip.com",
"tags": [
"Product"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM",
"tags": [
"Exploit",
"Technical Description",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://microchip.com",
"tags": [
"Product"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM",
"tags": [
"Exploit",
"Technical Description",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-755"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages."
},
{
"lang": "es",
"value": "El firmware 1.43 del módulo Microchip RN4870 (y la demostración 4.2 DT100112 de Microchip PIC LightBlue Explorer) maneja mal los mensajes de rechazo."
}
],
"lastModified": "2026-06-17T05:11:42.770",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:bm78_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FAAD0FB9-0F6D-400C-A60C-0592B06ECE0A"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:bm78:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "99BA2983-64AB-4F77-B377-E499B64F0C50"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:bm83_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04C3ED00-5F91-4A7E-84EB-76CD273C6B89"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:bm83:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "895C04D9-DFAA-4D96-8B29-ED7C3E9DFB87"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "78A0C49B-6928-487E-B53B-8E5173C2FF70"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:rn4870:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CDE6E13B-B99B-4F75-972A-B8F2C929629A"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:rn4871_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB41B377-E739-41AB-B4D4-EAD64C679766"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:rn4871:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FDA2E70F-A3EE-477C-8F0F-E3A2823D488C"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:bm70_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4ABD0358-F87F-4AF8-990B-A167ED840A16"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:bm70:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A825DA6B-A430-42B1-BA96-7874F6D9FD2F"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:bm71_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62FC6979-51EE-4C73-B9AD-BE02BEE1A67C"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:bm71:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F8594B72-EB9D-4C60-9E5B-20F3421FA1C4"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:pic_lightblue_explorer_demo_firmware:4.2_dt100112:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04C5EC33-4242-495D-92CF-38072EA1DAD6"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:pic_lightblue_explorer_demo:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CE380529-0C3A-4784-8E00-97E8E85D47D9"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:is1871_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D05971C4-4527-48B6-9CA9-F3FD59E772E8"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:is1871:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "04819718-44FF-4396-8C8C-35F8B30F0212"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microchip:is1870_firmware:1.43:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BDD72CBA-6EAD-496B-A87B-39ED6089CB27"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:microchip:is1870:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AAD2294F-31CF-4120-9188-F97196C7FC51"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}