{
    "id": "CVE-2018-15890",
    "published": "2019-06-20 17:15:09",
    "last_modified": "2026-06-17 01:43:16",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-502",
    "description": "An issue was discovered in EthereumJ 1.8.2. There is Unsafe Deserialization in ois.readObject in mine/Ethash.java and decoder.readObject in crypto/ECKey.java. When a node syncs and mines a new block, arbitrary OS commands can be run on the server.",
    "epss_score": "0.02923",
    "epss_percentile": "0.86682",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-11 18:17:17",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "ethereum",
            "product": "ethereumj"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/ethereum/ethereumj",
        "https://github.com/ethereum/ethereumj/issues/1161",
        "https://github.com/frohoff/ysoserial/",
        "https://github.com/ethereum/ethereumj",
        "https://github.com/ethereum/ethereumj/issues/1161",
        "https://github.com/frohoff/ysoserial/"
    ]
}