CVE-2023-53873
SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Dec 15, 2025
- Updated
- Apr 7, 2026
- Reserved
- Dec 13, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
SyncBreezeSyncbreeze |
|
References
- ExploitDB-51725exploit
- SyncBreeze Product Webpageproduct
- VulnCheck Advisory: SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflowthird-party-advisory
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