CVE-2021-47945

Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the Program Files directory to be executed with LocalSystem privileges when the service starts.

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

0.11% chance of exploitation in the next 30 days, 1th percentile

Published

2026-05-10

Updated

2026-07-28

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50261

References

• CVE Record
• NVD entry

Related

• CVE-2021-47944
• CVE-2021-47946
• CVE-2021-47943
• CVE-2021-47947
• CVE-2021-47942
• CVE-2021-47948