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Case File

CVE-2018-17877

HIGH · CVSS 7.5 EPSS 1.64% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-10-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-17877
Severity
HIGH
CVSS
7.5
EPSS
1.64%

Original NVD Description

A lottery smart contract implementation for Greedy 599, an Ethereum gambling game, generates a random value that is predictable via an external contract call. The developer used the extcodesize() function to prevent a malicious contract from being called, but the attacker can bypass it by writing the core code in the constructor of their exploit code. Therefore, it allows attackers to always win and get rewards.