CVE-2020-29376
Estado: ModificadaCrítica (9.8)—
An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. There is an !j@l#y$z%x6x7q8c9z) password for the admin account to authenticate to the TELNET service.
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: 1.12%
- Percentil entre todas las CVEs puntuadas: 65
- 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 (5)
CWE
- CWE-798
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-29376",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"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": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-11-29T01:15:10.630",
"references": [
{
"url": "https://seclists.org/fulldisclosure/2020/Jul/14",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://seclists.org/fulldisclosure/2020/Jul/14",
"tags": [
"Exploit",
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-798"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.57, V1600D4L V1.01.49, V1600D-MINI V1.01.48, V1600G1 V2.0.7 and V1.9.7, and V1600G2 V1.1.4 OLT devices. There is an !j@l#y$z%x6x7q8c9z) password for the admin account to authenticate to the TELNET service."
},
{
"lang": "es",
"value": "Se detectó un problema en los dispositivos OLT V-SOL V1600D versiones V2.03.69 y V2.03.57, V1600D4L versión V1.01.49, V1600D-MINI versión V1.01.48, V1600G1 versiones V2.0.7 y V1.9.7, y V1600G2 versión V1.1.4. Se presenta una contraseña !j@l#y$z%x6x7q8c9z) para que la cuenta de administrador se autentique en el servicio TELNET"
}
],
"lastModified": "2026-06-17T03:11:14.430",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:vsolcn:v1600d_firmware:2.03.57:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9E209E77-9032-445E-8537-63D84ABB3E94"
},
{
"criteria": "cpe:2.3:o:vsolcn:v1600d_firmware:2.03.69:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8CF8489F-58DC-4A4D-B19B-D31FD65356EB"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:vsolcn:v1600d:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D6A406A6-DEBA-4715-9F9B-21D3FA94FCED"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6441837A-B3BA-4CB6-8507-40D089DC82BA"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:vsolcn:v1600d4l:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "DF4991AB-71EA-4DF1-8142-E13985017197"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C40945D6-0A82-4EF6-8665-E177184874DE"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:vsolcn:v1600d-mini:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B8407505-E9A3-4435-A8CC-70BD24245516"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:vsolcn:v1600g1_firmware:1.9.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5BDA94F4-CEBF-4CC3-8799-C2C6424A7127"
},
{
"criteria": "cpe:2.3:o:vsolcn:v1600g1_firmware:2.0.7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D5E0E91-7C0C-4696-9E8C-269D872B9E2A"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:vsolcn:v1600g1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "351D7DCA-129F-417A-822F-7FA2A2D6CE83"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:vsolcn:v1600g2_firmware:1.1.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "03765CFC-6994-41B0-9650-DD1EB2C5A886"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:vsolcn:v1600g2:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "5892BFA9-5870-4C42-AD71-7984C975ABDF"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}