CVE-2022-20923
Estado: ModificadaCrítica (9.8)—
A vulnerability in the IPSec VPN Server authentication functionality of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to bypass authentication controls and access the IPSec VPN network. This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to the VPN from an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and access the IPSec VPN network.
Leer descripción completaMostrar menos
The attacker may obtain privileges that are the same level as an administrative user, depending on the crafted credentials that are used. Cisco has not released software updates that address this vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.94%
- Percentil entre todas las CVEs puntuadas: 60
- 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 (4)
CWE
- CWE-303
- CWE-287
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-20923",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2022-20923",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-11-06T15:57:28.770800Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 2.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@cisco.com",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco Small Business RV Series Router Firmware",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2022-09-08T13:15:08.987",
"references": [
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-vpnbypass-Cpheup9O",
"tags": [
"Vendor Advisory"
],
"source": "psirt@cisco.com"
},
{
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-vpnbypass-Cpheup9O",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@cisco.com",
"description": [
{
"lang": "en",
"value": "CWE-303"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the IPSec VPN Server authentication functionality of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to bypass authentication controls and access the IPSec VPN network. This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to the VPN from an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and access the IPSec VPN network. The attacker may obtain privileges that are the same level as an administrative user, depending on the crafted credentials that are used. Cisco has not released software updates that address this vulnerability."
},
{
"lang": "es",
"value": "Una vulnerabilidad en la funcionalidad de autenticación del Servidor VPN IPSec de los enrutadores RV110W, RV130, RV130W y RV215W de Cisco Small Business podría permitir a un atacante remoto no autenticado omitir los controles de autenticación y acceder a la red VPN IPSec. Esta vulnerabilidad es debido a una implementación inapropiada del algoritmo de comprobación de contraseñas. Un atacante podría explotar esta vulnerabilidad al iniciar sesión en la VPN desde un dispositivo afectado con credenciales manipuladas. Una explotación con éxito podría permitir al atacante omitir la autenticación y acceder a la red VPN IPSec. El atacante puede obtener privilegios del mismo nivel que un usuario administrativo, según las credenciales manipuladas que se utilicen. Cisco no ha publicado actualizaciones de software que aborden esta vulnerabilidad"
}
],
"lastModified": "2026-06-17T04:25:25.353",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:rv110w_firmware:1.0.3.55:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "670BF7A6-F2C1-4CD4-B6E6-208C95A32E57"
},
{
"criteria": "cpe:2.3:o:cisco:rv110w_firmware:1.2.2.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FF28AEEA-34F1-40F1-ACDC-25FDD56EA282"
},
{
"criteria": "cpe:2.3:o:cisco:rv110w_firmware:1.3.1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "818DD411-2312-4BC8-8909-8392B26EDA7B"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:cisco:rv110w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "20E8ECAC-E842-41DB-9612-9374A9648DC2"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:rv130_firmware:1.0.3.55:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0E8376ED-8273-4296-A90F-AA16156B8104"
},
{
"criteria": "cpe:2.3:o:cisco:rv130_firmware:1.2.2.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1CA4AB9C-B969-4076-8C60-AC1F15057D0D"
},
{
"criteria": "cpe:2.3:o:cisco:rv130_firmware:1.3.1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4AA081A3-C57E-4480-A3F9-E82383C60575"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:cisco:rv130:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D5D233CF-2504-4E69-9AD0-D3B631C8FC11"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:rv130w_firmware:1.0.3.55:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FF66A7CE-469A-48CD-AE85-2F49E1C505FA"
},
{
"criteria": "cpe:2.3:o:cisco:rv130w_firmware:1.2.2.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB9EA4F1-ED61-4ED1-8678-1F6BD75007E8"
},
{
"criteria": "cpe:2.3:o:cisco:rv130w_firmware:1.3.1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F04F9D87-B28C-45AE-9AD3-477A1DE65CE6"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:cisco:rv130w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C3C9AFAA-1387-4067-AF7E-2E4AAD2A272A"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:cisco:rv215w_firmware:1.0.3.55:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0909B440-99B7-43BE-BD8F-65EB3CF941ED"
},
{
"criteria": "cpe:2.3:o:cisco:rv215w_firmware:1.2.2.8:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "127CDFCA-5654-43EE-AF91-B56D668A0907"
},
{
"criteria": "cpe:2.3:o:cisco:rv215w_firmware:1.3.1.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65ECB6E7-5740-4EE8-9F3F-D4579D3ED608"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:cisco:rv215w:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "8686AB22-F757-468A-930B-DDE45B508969"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "psirt@cisco.com"
}