What is CVE-2021-47949?

CVE-2021-47949 is a high-severity vulnerability in Cyberpanel, classified under Improper Link Resolution Before File Access. CVSS score: 8.8/10. Published 2026-05-10.

How severe is CVE-2021-47949?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Cyberpanel

CVE-2021-47949

CyberPanel 2.1 contains a command execution vulnerability that allows authenticated attackers to read arbitrary files and execute remote code by exploiting symlink attacks through the filemanager controller endpoint. Attackers can manipula…

EPSS: 0.001 (29.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cyberpanel — versions <= 2.1

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

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-2021-47949?: CVE-2021-47949 is a high-severity vulnerability in Cyberpanel, classified under Improper Link Resolution Before File Access. CVSS score: 8.8/10. Published 2026-05-10.
How severe is CVE-2021-47949?: High severity. CVSS v3 base score is 8.8 out of 10.