CVE-2025-23020

MEDIUM EPSS 41.1%
Published Feb 20, 20251y ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Feb 20, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
41.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-407

References 2

  • github.com https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
  • github.com https://github.com/ptrd/kwik/releases/tag/v0.10.1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.