CVE-2018-15890: Ethereum Ethereumj

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

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.

Affected products

• Ethereum Ethereumj: version 1.8.2 only

Published 2019-06-20. Last modified 2026-06-17.