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TI-2021-22423 Aliases CVE-2021-47807GHSA-8c6x-7p4v-x88m

Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path

Priority HIGH 72CWE-428Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.

Summary

Sync Breeze 13.6.18 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in service binaries located in 'Program Files' directories to inject malicious executables and escalate privileges.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00227 13th 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
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SyncbreezeSync Breeze13.6.18—No fix listedCNA
  • Sync Breeze VendorSyncbreeze Affected 13.6.18 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:flexense:sync_breeze:13.6.18:*:*:*:*:*:*:*13.6.18VulnerableFlexense
  • cpe:2.3:a:flexense:sync_breeze:13.6.18:*:*:*:*:*:*:* Versions 13.6.18 Vulnerable ·Flexense

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47807
  2. 2026-10-03 Alias added: GHSA-8c6x-7p4v-x88m

References

Exploit 1

Other 1

  • TI-2023-30156 SyncBreeze 15.2.24 Denial of Service via Login Endpoint Overflow CVSS 4.0HIGH 8.7

Sources

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