Cyber Resilience

CVE-2021-47974

HighPublic PoC

Published: 16 May 2026

Published
16 May 2026
Modified
18 May 2026
KEV Added
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Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0012 2.2th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2021-47974 is a high-severity Unquoted Search Path or Element (CWE-428) vulnerability in Vxsearch (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, ranked at the 2.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

execute arbitrary code with LocalSystem privileges when services restart.

CWE(s)
CWE-428

Related Threats

CVEs Like This One

CVE-2020-36928Shared CWE-428
CVE-2023-54336Shared CWE-428
CVE-2020-37048Shared CWE-428
CVE-2019-25306Shared CWE-428
CVE-2020-36979Shared CWE-428
CVE-2024-57276Shared CWE-428
CVE-2022-50914Shared CWE-428
CVE-2020-36929Shared CWE-428
CVE-2020-37017Shared CWE-428
CVE-2020-36982Shared CWE-428

Affected Assets

Vxsearch
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References