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TI-2020-19081 Aliases CVE-2020-36946GHSA-xmhr-f2x4-rvcv

SyncBreeze 10.0.28 - 'login' Denial of Service

Priority HIGH 77CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00743 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FlexenseSyncBreeze10.0.28—No fix listedCNA
  • SyncBreeze VendorFlexense Affected 10.0.28 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:flexense:syncbreeze:10.0.28:*:*:*:enterprise:*:*:*10.0.28VulnerableFlexense
  • cpe:2.3:a:flexense:syncbreeze:10.0.28:*:*:*:enterprise:*:*:* Versions 10.0.28 Vulnerable ·Flexense

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36946
  2. 2026-10-03 Alias added: GHSA-xmhr-f2x4-rvcv

References

Exploit 1

Other 1

  • TI-2017-09973 A buffer overflow vulnerability lies in the web server component of Dup Scout Enterprise… CVSS 3.0CRITICAL 9.8
  • TI-2020-19235 Sync Breeze Enterprise 12.4.18 - Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2018-05835 An issue was discovered in the web server in Flexense SyncBreeze Enterprise 10.6.24. CVSS 3.0HIGH 7.5
  • TI-2017-04982 A buffer overflow vulnerability in Import Command in SyncBreeze before 10.6, DiskSorter… CVSS 3.0HIGH 7.8
  • TI-2017-10999 Buffer overflow in Sync Breeze Enterprise 10.0.28 allows remote attackers to have… CVSS 3.0CRITICAL 9.8
  • TI-2018-04816 A buffer overflow vulnerability in the control protocol of Flexense SyncBreeze Enterprise… CVSS 3.0CRITICAL 9.8
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences