{
    "id": "CVE-2019-8449",
    "published": "2019-09-11 14:15:12",
    "last_modified": "2026-06-17 02:42:01",
    "cvss_score": "5.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "cwe": "CWE-306",
    "description": "The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.",
    "epss_score": "0.84771",
    "epss_percentile": "0.99702",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:24:41",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "atlassian",
            "product": "jira"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "47990",
            "title": "Jira 8.3.4 - Information Disclosure (Username Enumeration)",
            "date": "2020-02-03",
            "url": "https://www.exploit-db.com/exploits/47990"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/156172/Jira-8.3.4-Information-Disclosure.html",
        "https://jira.atlassian.com/browse/JRASERVER-69796",
        "http://packetstormsecurity.com/files/156172/Jira-8.3.4-Information-Disclosure.html",
        "https://jira.atlassian.com/browse/JRASERVER-69796"
    ]
}