CVSS v3
9.8
CRITICAL
EPSS Score
2.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2019-06-20
Frequently asked questions
What is CVE-2018-15890?
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.
Is CVE-2018-15890 actively exploited?
Active exploitation of CVE-2018-15890 has not been confirmed. Its EPSS score was 2.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-15890?
CVE-2018-15890 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-15890 affecting your environment?
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