CVE-2019-20809: Compound Price Oracle

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The price oracle in PriceOracle.sol in Compound Finance Compound Price Oracle 1.0 through 2.0 allows a price poster to set an invalid asset price via the setPrice function, and consequently violate the intended limits on price swings.

Affected products

• Compound Price Oracle: from 1.0, up to and including 2.0

Published 2020-06-03. Last modified 2026-06-17.