Vulnerability · Published Jan 27, 2026 · Assigned by VulnCheck
CVE-2020-36946SyncBreeze 10.0.28 - 'login' Denial of Service
High 7.5
In plain English
A high-severity resource allocation without limits in SyncBreeze from Flexense Ltd.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
SyncBreeze 10.0.28 contains a denial of service vulnerability in the login endpoint that allows remote attackers to crash the service. Attackers can send an oversized payload in the login request to overwhelm the application and potentially disrupt service availability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Flexense Ltd. | SyncBreeze | 10.0.28 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-49291 exploit
- Vendor Homepage product
- VulnCheck Advisory: SyncBreeze 10.0.28 - 'login' Denial of Service third-party-advisory