Vulnerability Description
An issue was discovered in Kwik before 0.10.1. A hash collision vulnerability (in the hash table used to manage connections) allows remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs).
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
- https://github.com/ptrd/kwik/releases/tag/v0.10.1
FAQ
What is CVE-2025-23020?
CVE-2025-23020 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An issue was discovered in Kwik before 0.10.1. A hash collision vulnerability (in the hash table used to manage connections) allows remote attackers to cause a considerable CPU load on the server (a H...
How severe is CVE-2025-23020?
CVE-2025-23020 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-23020?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.