gsd-2021-26081
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.
Aliases
Aliases
CVE-2021-26081


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-26081",
    "description": "REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.",
    "id": "GSD-2021-26081"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26081"
      ],
      "details": "REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint.",
      "id": "GSD-2021-26081",
      "modified": "2023-12-13T01:23:33.262796Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@atlassian.com",
        "DATE_PUBLIC": "2021-07-15T00:00:00",
        "ID": "CVE-2021-26081",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Jira Server",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.5.14"
                        },
                        {
                          "version_affected": "\u003e=",
                          "version_value": "8.6.0"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.13.6"
                        },
                        {
                          "version_affected": "\u003e=",
                          "version_value": "8.14.0"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.16.1"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Jira Data Center",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.5.14"
                        },
                        {
                          "version_affected": "\u003e=",
                          "version_value": "8.6.0"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.13.6"
                        },
                        {
                          "version_affected": "\u003e=",
                          "version_value": "8.14.0"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_value": "8.16.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Atlassian"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
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            "lang": "eng",
            "value": "REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Enumeration"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://jira.atlassian.com/browse/JRASERVER-72499",
            "refsource": "MISC",
            "url": "https://jira.atlassian.com/browse/JRASERVER-72499"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.5.14",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.13.6",
                "versionStartIncluding": "8.6.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.16.1",
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              },
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              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.13.6",
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                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "8.16.1",
                "versionStartIncluding": "8.14.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@atlassian.com",
          "ID": "CVE-2021-26081"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the `/rest/api/latest/user/avatar/temporary` endpoint."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jira.atlassian.com/browse/JRASERVER-72499",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://jira.atlassian.com/browse/JRASERVER-72499"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-03-30T13:29Z",
      "publishedDate": "2021-07-20T04:15Z"
    }
  }
}


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Tags
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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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