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TI-2021-22587 Aliases CVE-2021-47974GHSA-2jpw-mvcx-5wqh

VX Search 13.5.28 Unquoted Service Path Privilege Escalation

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

VX Search 13.5.28 contains an unquoted service path vulnerability in both VX Search Server and VX Search Enterprise services that allows local attackers to escalate privileges. Attackers can place malicious executables in unquoted path directories like C:\Program Files\VX Search to execute arbitrary code with LocalSystem privileges when services restart.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00121 1st percentileScored 2026-11-08
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
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
VxsearchVX Search13.5.28—No fix listedCNA
  • VX Search VendorVxsearch Affected 13.5.28 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47974
  2. 2026-10-03 Alias added: GHSA-2jpw-mvcx-5wqh

References

Exploit 1

Other 1

  • TI-2018-15553 VX Search 10.6.18 Local Buffer Overflow via Directory Field CVSS 4.0HIGH 8.6
  • TI-2023-10247 VX Search v13.8 and v14.7 was discovered to contain an unquoted service path… CVSS 3.1HIGH 7.8
  • TI-2017-09984 Buffer overflow in the web server service in VX Search Enterprise 10.0.14 allows remote… CVSS 3.0CRITICAL 9.8

Sources

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