CVE-2017-12116: Ethereum Aleth

High severity, CVSS 8.1. EPSS: 1.7% chance of exploitation in the next 30 days.

An exploitable improper authorization vulnerability exists in miner_setGasPrice API of cpp-ethereum's JSON-RPC (commit 4e1015743b95821849d001618a7ce82c7c073768). A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to trigger this vulnerability.

Affected products

• Ethereum Aleth: affected versions not specified

Published 2018-01-19. Last modified 2026-06-17.