CVE-2025-23020
Kwik hash collision vulnerability
5.3
MEDIUM
CVSS 3.1
EPSS 0.12%
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).
How to fix CVE-2025-23020
To remediate CVE-2025-23020, upgrade the affected package to a fixed version below.
- —upgrade to 0.10.1 or later
Is CVE-2025-23020 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.10.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |