Is CVE-2021-47974 in the CISA KEV catalog?

No. CVE-2021-47974 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-47974?

CVE-2021-47974 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-47974?

CVE-2021-47974 has an EPSS score of 0.12% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-47974?

No published fix for CVE-2021-47974 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-47974

HIGH

7.8

CVSS v3

NVD

Description

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.

CWE-428

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.12%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-18.