{
    "id": "CVE-2017-9978",
    "published": "2017-08-28 19:29:01",
    "last_modified": "2026-06-17 01:29:18",
    "cvss_score": "5.3",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "cwe": "CWE-200",
    "description": "On the OSNEXUS QuantaStor v4 virtual appliance before 4.3.1, a flaw was found with the error message sent as a response for users that don't exist on the system. An attacker could leverage this information to fine-tune and enumerate valid accounts on the system by searching for common usernames.",
    "epss_score": "0.04746",
    "epss_percentile": "0.91604",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:19",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "osnexus",
            "product": "quantastor"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "42517",
            "title": "QuantaStor Software Defined Storage < 4.3.1 - Multiple Vulnerabilities",
            "date": "2017-08-18",
            "url": "https://www.exploit-db.com/exploits/42517"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.html",
        "http://seclists.org/fulldisclosure/2017/Aug/23",
        "http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txt",
        "https://www.exploit-db.com/exploits/42517/",
        "http://packetstormsecurity.com/files/143780/OSNEXUS-QuantaStor-4-Information-Disclosure.html",
        "http://seclists.org/fulldisclosure/2017/Aug/23",
        "http://www.vvvsecurity.com/advisories/vvvsecurity-advisory-2017-6943.txt",
        "https://www.exploit-db.com/exploits/42517/"
    ]
}