{
  "id": "CVE-2021-43942",
  "sourceIdentifier": "security@atlassian.com",
  "published": "2022-01-04T03:15:07.233",
  "lastModified": "2022-03-28T13:34:02.910",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Reflected Cross-Site Scripting (XSS) vulnerability in the /rest/collectors/1.0/template/custom endpoint. To exploit this issue, the attacker must trick a user into visiting a malicious website. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3."
    },
    {
      "lang": "es",
      "value": "Las versiones afectadas de Atlassian Jira Server y Data Center permiten a atacantes remotos inyectar HTML o JavaScript arbitrarios por medio de una vulnerabilidad de tipo Cross-Site Scripting (XSS) Reflejado en el endpoint /rest/collectors/1.0/template/custom. Para explotar este problema, el atacante debe enga\u00f1ar a un usuario para que visite un sitio web malicioso. Las versiones afectadas son anteriores a 8.13.15, y desde la versi\u00f3n 8.14.0 hasta 8.20.3"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.14.0",
              "versionEndExcluding": "8.20.3",
              "matchCriteriaId": "9025C857-EC16-431D-B3F9-4F10BE17C8A4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:atlassian:jira_server_and_data_center:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "8.13.5",
              "matchCriteriaId": "A28197F9-EC40-4273-9989-5F9B043FC5BA"
            }
          ]
        }
      ]
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  ],
  "references": [
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-73068",
      "source": "security@atlassian.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    }
  ]
}