CVE-2021-47790

Name: CVE-2021-47790
Creator: NVD / NIST
Published: 2026-01-16T00:16:22.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2021-47790 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. Active WebCam 11.5 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the misconfigured service path by placing malicious executables in specific directory locations to gain administrative access.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Active WebCam 11.5 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the misconfigured service path by placing malicious executables in specific directory locations to gain administrative access.

Metrics

CVSS 3.1

7.8/10

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

CVSS 4.0

8.5/10

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 Probability

0.21%

10.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-428

Affected Software

Vendor	Product	Versions
Pysoft	Active Webcam	11.5

References

https://www.exploit-db.com/exploits/50273Exploit
https://www.pysoft.com/Product
https://www.techspot.com/downloads/175-active-webcam.htmlProduct
https://www.vulncheck.com/advisories/active-webcam-unquoted-service-pathThird Party Advisory
https://www.exploit-db.com/exploits/50273Exploit

Timeline

Published: Jan 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47790?

How severe is CVE-2021-47790?

CVE-2021-47790 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47790?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47790?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST