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CVE-2020-27261

Estado: ModificadaAlta (8.8)—

The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.

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 (4)

Omron — Cx-oneOmron — Cx-positionOmron — Cx-protocolOmron — Cx-server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-27261",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "Omron",
          "product": "CX-One",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "4.60"
            }
          ]
        },
        {
          "vendor": "Omron",
          "product": "CX-Protocol",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "2.02"
            }
          ]
        },
        {
          "vendor": "Omron",
          "product": "CX-Server",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "5.0.28"
            }
          ]
        },
        {
          "vendor": "Omron",
          "product": "CX-Position",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "2.52"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-09T15:15:13.157",
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-007-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-183/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-185/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-007-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-183/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-185/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "El Omron CX-One versiones 4.60 y anteriores es vulnerable a un desbordamiento del búfer en la región stack de la memoria, lo que puede permitir a un atacante ejecutar código arbitrario remotamente"
    }
  ],
  "lastModified": "2026-06-17T03:09:04.510",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:omron:cx-one:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8DDFA8C8-5BB3-4A0A-BFA8-0963C46B6DD2",
              "versionEndIncluding": "4.60"
            },
            {
              "criteria": "cpe:2.3:a:omron:cx-position:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5A75973B-C2B1-4CFC-A2A9-BFB553037BF2",
              "versionEndIncluding": "2.52"
            },
            {
              "criteria": "cpe:2.3:a:omron:cx-protocol:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5E61B773-2097-4C4E-B48C-CFC7294A4C5A",
              "versionEndIncluding": "2.02"
            },
            {
              "criteria": "cpe:2.3:a:omron:cx-server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9DD31345-F164-4016-902E-DA9AD29430E4",
              "versionEndIncluding": "5.0.28"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}