What is CVE-2018-16733?

CVE-2018-16733 is a high-severity vulnerability in Ethereum Go, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-09-08.

How severe is CVE-2018-16733?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-16733 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Ethereum Go

CVE-2018-16733

In Go Ethereum (aka geth) before 1.8.14, TraceChain in eth/api_tracer.go does not verify that the end block is after the start block.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: -0.000

Affected products

Ethereum Go

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

demining/Solidity-Forcibly-Send-Ether-Vulnerability

References

github.com/ethereum/go-ethereum/commit/106d196ec4a6451efedc60ab15957f231fa85639 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-16733?: CVE-2018-16733 is a high-severity vulnerability in Ethereum Go, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-09-08.
How severe is CVE-2018-16733?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-16733 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.