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CVE-2021-46902

Estado: ModificadaAlta (7.2)—

An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before 7.04.008 MBGID-6303. Path validation is mishandled, and thus an admin can read or delete files in violation of expected access controls.

CVSS

Probabilidad de explotación (EPSS)

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)

Meinbergglobal — Lantime Firmware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-46902",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-46902",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-02-05T16:59:05.778033Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2024-02-04T21:15:07.840",
  "references": [
    {
      "url": "https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2021-03-meinberg-lantime-firmware-v7-04-008-und-v6-24-029.htm",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.meinberg.de/german/news/meinberg-security-advisory-mbgsa-2021-03-meinberg-lantime-firmware-v7-04-008-und-v6-24-029.htm",
      "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-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in LTOS-Web-Interface in Meinberg LANTIME-Firmware before 6.24.029 MBGID-9343 and 7 before 7.04.008 MBGID-6303. Path validation is mishandled, and thus an admin can read or delete files in violation of expected access controls."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en LTOS-Web-Interface en Meinberg LANTIME-Firmware antes de 6.24.029 MBGID-9343 y 7 antes de 7.04.008 MBGID-6303. La validación de rutas se maneja mal y, por lo tanto, un administrador puede leer o eliminar archivos en violación de los controles de acceso esperados."
    }
  ],
  "lastModified": "2026-06-17T04:15:47.617",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:meinbergglobal:lantime_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02A03972-B937-4084-B6CA-327E93DBCF78",
              "versionEndExcluding": "6.24.029"
            },
            {
              "criteria": "cpe:2.3:o:meinbergglobal:lantime_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "581CBF60-2825-428A-B284-ABA0912728B7",
              "versionEndExcluding": "7.04.008",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}