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. 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.

CVSS v4.0

8.5 HIGHCVSS: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

CVSS v3.1

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

EPSS

0.12% chance of exploitation in the next 30 days, 2th percentile

Published

2026-05-16

Updated

2026-05-18

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50026

References

• CVE Record
• NVD entry

Related

• CVE-2021-47973
• CVE-2021-47975
• CVE-2021-47972
• CVE-2021-47976
• CVE-2021-47971
• CVE-2021-47977