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.
{ "nvd_published_at": "2019-06-20T17:15:00Z", "cwe_ids": [ "CWE-502" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2019-07-26T09:08:20Z" }