CVE-2024-52920

Name: CVE-2024-52920
Creator: NVD / NIST
Published: 2024-11-18T04:15:04.96+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2024-52920 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.61%

44.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Bitcoin	Bitcoin Core	< 0.20.0

References

https://bitcoincore.org/en/2024/07/03/disclose-getdata-cpu/Vendor Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_ExposuresThird Party Advisory

Timeline

Published: Nov 18, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-52920?

Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.

How severe is CVE-2024-52920?

CVE-2024-52920 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2024-52920?

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-2024-52920?

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

Scan your code now

Source: NVD / NIST