CVE-2022-43931

Estado: ModificadaCrítica (10)—

Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 10

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 17%
Percentil entre todas las CVEs puntuadas: 97
Fecha de la puntuación: 7/10/2026

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)

Synology — VPN Plus Server

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2022-43931",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-43931",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-10T14:37:41.222992Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@synology.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@synology.com",
      "affectedData": [
        {
          "vendor": "Synology",
          "product": "VPN Plus Server",
          "versions": [
            {
              "status": "affected",
              "version": "*",
              "lessThan": "1.4.4-0635",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "*",
              "lessThan": "1.4.3-0534",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2023-01-03T04:15:09.470",
  "references": [
    {
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_22_26",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_22_26",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de escritura fuera de los límites en la funcionalidad de escritorio remoto en Synology VPN Plus Server anterior a 1.4.3-0534 y 1.4.4-0635 permite a atacantes remotos ejecutar comandos arbitrarios a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-17T05:07:29.987",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:synology:vpn_plus_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1B9447F9-2136-4373-874A-EB22975E05A8",
              "versionEndExcluding": "1.4.3-0534"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:router_manager:1.2:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "43088D16-C9DE-4562-A935-F0A056FAC94F"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:synology:vpn_plus_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "466C2C1F-6D2D-45F8-AA1D-B9A15B5A8DDE",
              "versionEndExcluding": "1.4.4-0635"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:router_manager:1.3:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "69719ACD-229C-4685-BADB-52FB55671BD9"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@synology.com"
}