CVE-2023-53873

High

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.

SeverityHigh
CVSS8.7
Exploit probability—
ProductSyncBreeze
PublishedDec 15, 2025
First seenDec 15, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Syncbreeze SyncBreeze15.2.24—

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