CVE-2024-52921

MEDIUM
Published Nov 18, 2024 Modified Apr 30, 2025 CWE-862

Description

In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.

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CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor Product
bitcoin bitcoin_core

References

Frequently Asked Questions

What is CVE-2024-52921? +
In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2024-52921? +
CVE-2024-52921 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-52921? +
CVE-2024-52921 affects products from bitcoin, specifically: bitcoin_core. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-52921? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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