GHSA-9f57-9rhg-4hvm · Severity: medium · Ecosystem: maven — Kwik hash collision vulnerability
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).
Conclusion & alert: CVE-2025-23020 is rated Low Risk (29.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.37% | 0.08% | -0.29% |
| 2 | 2025-11-18 | 0.06% | 0.37% | +0.31% |
| 3 | 2025-07-31 | — | 0.06% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
GHSA-9f57-9rhg-4hvm · Severity: medium · Ecosystem: maven — Kwik hash collision vulnerability
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||