CVE-2021-47945

Description

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.

Is your site exposed to CVE-2021-47945?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

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

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-428 CWE-428

References

Other References

https://www.exploit-db.com/exploits/50261 https://www.vulncheck.com/advisories/argus-surveillance-dvr-unquoted-service-path-privilege-escalation

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-47945? +

CVE-2021-47945 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2021-47945? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-66269

The RupsMon and USBMate services in UPSilon 2000 run with SYSTEM privileges and contain unquoted service paths. This allows a …

CVE-2025-8070

The Windows service configuration of ABP and AES contains an unquoted ImagePath registry value vulnerability. This allows a local attacker …

CVE-2025-5191

An Unquoted Search Path vulnerability has been identified in the utility for Moxa’s industrial computers (Windows). Due to the unquoted …

CVE-2025-66264

The CMService.exe service runs with SYSTEM privileges and contains an unquoted service path. This allows a local attacker with write …

CVE-2025-9043

The service executable path in Seagate Toolkit on Versions prior to 2.34.0.33 on Windows allows an attacker with Admin privileges …

CVE-2020-36879

Flexsense DiskBoss 11.7.28 allows unauthenticated attackers to elevate their privileges using any of its services, enabling remote code execution during …