CVE-2020-36946

SyncBreeze 10.0.28 - 'login' Denial of Service

CVSS 8.7 HIGHEPSS 0.6%CWE-770

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Flexense Ltd. · SyncBreeze

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://www.exploit-db.com/exploits/49291 https://www.vulncheck.com/advisories/syncbreeze-login-denial-of-service http://www.syncbreeze.com