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HIGH · 7.5

CVE-2023-33297

Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited i...

Vulnerability Description

Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
BitcoinBitcoin Core< 24.1

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2023-33297?

CVE-2023-33297 is a vulnerability with a CVSS score of 7.5 (HIGH). Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited i...

How severe is CVE-2023-33297?

CVE-2023-33297 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-33297?

Check the references section above for vendor advisories and patch information. Affected products include: Bitcoin Bitcoin Core.