{
  "id": "CVE-2021-43549",
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "published": "2021-11-18T15:15:10.030",
  "lastModified": "2021-11-23T17:09:58.137",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote authenticated attacker with write access to a PI Server could trick a user into interacting with a PI Web API endpoint and redirect them to a malicious website. As a result, a victim may disclose sensitive information to the attacker or be provided with false information."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto autenticado con acceso de escritura a un servidor PI podr\u00eda enga\u00f1ar a un usuario para que interactuara con un endpoint de la API web de PI y lo redirigiera a un sitio web malicioso. Como resultado, una v\u00edctima podr\u00eda revelar informaci\u00f3n confidencial al atacante o recibir informaci\u00f3n falsa."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7
      },
      {
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 4.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.5
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:osisoft:pi_web_api:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2019",
              "matchCriteriaId": "16945AFD-F9B6-499A-904A-E35EC8428CB0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-313-06",
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    }
  ]
}