TI-2020-19014 Aliases CVE-2020-36879 GHSA-jcmj-4x77-vhpr

Flexsense DiskBoss Service Unquoted Service Path Vulnerability

LOW 39CWE-428Published 2025-12-05 · Updated 2025-12-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Passive
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

Flexsense DiskBoss 11.7.28 allows unauthenticated attackers to elevate their privileges using any of its services, enabling remote code execution during startup or reboot with escalated privileges. Attackers can exploit the unquoted service path vulnerability by specifying a malicious service name in the 'sc qc' command, allowing them to execute arbitrary system commands.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00286 21st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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

Vendor	Product	Affected versions	Fixed in	Status	Source
Flexense	DiskBoss	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Pro	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Ultimate	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Pro	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Ultimate	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Server	11.7.28	—	No fix listed	CNA
Flexense	DiskBoss Enterprise	11.7.28	—	No fix listed	CNA

DiskBoss VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Pro VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Ultimate VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Pro VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Ultimate VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Server VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA
DiskBoss Enterprise VendorFlexense Affected 11.7.28 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:flexense:diskboss::::::::	—	—	Flexense

cpe:2.3:a:flexense:diskboss:*:*:*:*:*:*:*:* Versions — — ·Flexense

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-36879
2026-10-03 Alias added: GHSA-jcmj-4x77-vhpr

References

Exploit 1

Exploit Database Entry 49022

Other 2

TI-2017-09973 A buffer overflow vulnerability lies in the web server component of Dup Scout Enterprise… CVSS 3.0CRITICAL 9.8
TI-2020-19081 SyncBreeze 10.0.28 - 'login' Denial of Service CVSS 4.0HIGH 8.7
TI-2020-19017 Flexsense DiskBoss Application Crash Denial of Service CVSS 4.0HIGH 8.7
TI-2021-22425 Disk Sorter Enterprise 13.6.12 - 'Disk Sorter Enterprise' Unquoted Service Path CVSS 4.0HIGH 8.5
TI-2021-22423 Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path CVSS 4.0HIGH 8.5
TI-2021-22422 Dup Scout 13.5.28 - 'Multiple' Unquoted Service Path CVSS 4.0HIGH 8.5

See all 56 →

Sources

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