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CVE-2020-8976

Estado: ModificadaAlta (8.8)—
Gravedad8.8Alta · CVSS 3.1
Probabilidad de explotación0.58 %mayor que el 47 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

El servidor integrado del ZGR TPS200 NG en su versión 2.00 de firmware y 1.01 de hardware, permite a un atacante remoto llevar a cabo acciones con los permisos de un usuario víctima. Para que esto ocurra, el usuario víctima debe presentar una sesión activa y desencadenar la petición maliciosa

CVSS

Puntuación base
8.8
Versión
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.58 %
Percentil entre todas las CVEs puntuadas
47
Fecha de la puntuación
23/10/2026

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)

Zigor — ZGR Tps200 NG Firmware

CWE

Referencias

Mostrar las 2 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-8976",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-8976",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-23T13:03:39.894397Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 8.8,
          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "confidentialityImpact": "HIGH"
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    ]
  },
  "affected": [
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      "affectedData": [
        {
          "vendor": "ZGR",
          "product": "ZGR TPS200 NG",
          "versions": [
            {
              "status": "affected",
              "version": "2.00 firmware version 2.00"
            },
            {
              "status": "affected",
              "version": "1.01 hardware version 1.01"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
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  ],
  "published": "2022-10-17T22:15:10.237",
  "references": [
    {
      "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/multiple-vulnerabilities-zgr-tps200-ng",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve-coordination@incibe.es"
    },
    {
      "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/multiple-vulnerabilities-zgr-tps200-ng",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-coordination@incibe.es",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The integrated server of the ZGR TPS200 NG on its 2.00 firmware version and 1.01 hardware version, allows a remote attacker to perform actions with the permissions of a victim user. For this to happen, the victim user has to have an active session and triggers the malicious request."
    },
    {
      "lang": "es",
      "value": "El servidor integrado del ZGR TPS200 NG en su versión 2.00 de firmware y 1.01 de hardware, permite a un atacante remoto llevar a cabo acciones con los permisos de un usuario víctima. Para que esto ocurra, el usuario víctima debe presentar una sesión activa y desencadenar la petición maliciosa"
    }
  ],
  "lastModified": "2026-06-17T03:27:17.323",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zigor:zgr_tps200_ng_firmware:2.00:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F42D21EF-7B57-43BB-8515-809E45880176"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:zigor:zgr_tps200_ng:1.01:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "ABB13226-AA1F-4DA9-925D-832EFAC30748"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es"
}