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CVE-2021-22157

Estado: ModificadaMedia (6.1)—

Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.11.1 allows stored XSS.

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)

Proofpoint — Insider Threat Management

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-22157",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-06T21:15:14.347",
  "references": [
    {
      "url": "https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0002",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0002",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.11.1 allows stored XSS."
    },
    {
      "lang": "es",
      "value": "Proofpoint Insider Threat Management Server (anteriormente ObserveIT Server) versiones anteriores a 7.11.1, permite un ataque de tipo XSS almacenado"
    }
  ],
  "lastModified": "2026-06-17T03:36:43.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49735308-48A4-4ED9-A146-B0EEA9261271",
              "versionEndExcluding": "7.9.3",
              "versionStartIncluding": "7.9.0"
            },
            {
              "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8BB71780-DB7A-499B-B926-7991841A7A17",
              "versionEndExcluding": "7.10.3",
              "versionStartIncluding": "7.10.0"
            },
            {
              "criteria": "cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "576B99C8-93B5-43E5-BEFD-5225FB5FA2EE",
              "versionEndExcluding": "7.11.1",
              "versionStartIncluding": "7.11.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}