CVE-2019-20809

Name: CVE-2019-20809
Creator: NVD / NIST
Published: 2020-06-03T17:15:24.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2019-20809 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Compound	Price Oracle	>= 1.0, <= 2.0

References

https://privacylog.blogspot.com/2019/10/compound-finance-zero-day-prices-can.htmlMitigation, Third Party Advisory
https://privacylog.blogspot.com/2019/10/compound-finance-zero-day-prices-can.htmlMitigation, Third Party Advisory

Timeline

Published: Jun 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20809?

How severe is CVE-2019-20809?

CVE-2019-20809 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20809?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20809?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST