CVE-2023-53873

UNKNOWN 0.0

SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	syncbreeze
Product	syncbreeze
Published	Dec 15, 2025
Last Updated	Apr 7, 2026

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Affected Versions

Syncbreeze / SyncBreeze

15.2.24

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51725 syncbreeze.com: https://www.syncbreeze.com/ vulncheck.com: https://www.vulncheck.com/advisories/syncbreeze-denial-of-service-via-login-endpoint-overflow

Credits

mohamed youssef