CVE-2023-53873

HIGH

SyncBreeze 15.2.24 - DoS

Title source: llm

Description

SyncBreeze 15.2.24 contains a denial of service vulnerability in the login authentication mechanism that allows attackers to crash the service. Attackers can send an oversized password parameter with repeated 'password=' values to overwhelm the login endpoint and potentially disrupt service availability.

Exploits (1)

exploitdb WORKING POC
by mohamed youssef · pythondoswindows
https://www.exploit-db.com/exploits/51725

Scores

CVSS v4 8.7
EPSS 0.0026
EPSS Percentile 49.3%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Details

CWE
CWE-400
Status published
Products (1)
Syncbreeze/SyncBreeze 15.2.24
Published Dec 15, 2025
Tracked Since Feb 18, 2026