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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.

PUBLISHED Reserved 2026-01-25 | Published 2026-01-27 | Updated 2026-01-27 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Allocation of Resources Without Limits or Throttling

Product status

10.0.28
affected

Credits

Ahmed Elkhressy finder

References

www.exploit-db.com/exploits/49291 exploit

www.exploit-db.com/exploits/49291 (ExploitDB-49291) exploit

www.syncbreeze.com (Vendor Homepage) product

www.vulncheck.com/...ries/syncbreeze-login-denial-of-service (VulnCheck Advisory: SyncBreeze 10.0.28 - 'login' Denial of Service) third-party-advisory

cve.org (CVE-2020-36946)

nvd.nist.gov (CVE-2020-36946)

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