What is CVE-2021-47886?

CVE-2021-47886 is a high-severity vulnerability in Fyrolabs Llc. Pingzapper, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.

How severe is CVE-2021-47886?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Fyrolabs Llc. Pingzapper

CVE-2021-47886

Pingzapper 2.3.1 contains an unquoted service path vulnerability in the PingzapperSvc service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Pingzapper\PZService.exe' to inject malicious executables and escalate privileges.

EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fyrolabs Llc. Pingzapper — versions 2.3.1

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47886?: CVE-2021-47886 is a high-severity vulnerability in Fyrolabs Llc. Pingzapper, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.
How severe is CVE-2021-47886?: High severity. CVSS v3 base score is 7.8 out of 10.