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Findings

CVE-2021-47974

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.

Published May 16, 2026 · corrected/updated Jun 17, 2026 · evidence confidence high

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.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2021-47974 is a high public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected version ranges have not been ingested yet. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.5, EPSS 0.1%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-428. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 16, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2021-47974

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-47974

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2021-47974

    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

    nvd.nist.gov

References