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CVE-2019-11823

Estado: ModificadaAlta (7.5)—

CRLF injection vulnerability in Network Center in Synology Router Manager (SRM) before 1.2.3-8017-2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.

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)

Synology — Router Manager

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-11823",
  "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:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@synology.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@synology.com",
      "affectedData": [
        {
          "vendor": "Synology",
          "product": "Synology Router Manager (SRM)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "1.2.3-8017-2",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-04T10:15:10.797",
  "references": [
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_11",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@synology.com"
    },
    {
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_11",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@synology.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "CRLF injection vulnerability in Network Center in Synology Router Manager (SRM) before 1.2.3-8017-2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inyección de CRLF en Network Center en Synology Router Manager (SRM) versiones anteriores a la versión  1.2.3-8017-2, permite a atacantes remotos causar una denegación de servicio (lectura fuera de límites y bloqueo de aplicación) por medio de un tráfico de red diseñado."
    }
  ],
  "lastModified": "2026-06-17T02:13:41.170",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C3B9015B-3D01-465A-BE49-C20F5A817A97",
              "versionEndExcluding": "1.2.3-8017-2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@synology.com"
}