What is CVE-2020-20471?

CVE-2020-20471 is a high-severity vulnerability in White Shark Systems Project, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-06-21.

How severe is CVE-2020-20471?

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

Auth bypass in White Shark Systems Project

CVE-2020-20471

White Shark System (WSS) 1.3.2 has an unauthorized access vulnerability in default_user_edit.php, remote attackers can exploit this vulnerability to escalate to admin privileges.

Vulnerability class: Broken Access Control

Published 2021-06-21 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.024 (83.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

White Shark Systems Project — versions 1.3.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

github.com/itodaro/WhiteSharkSystem_cve (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20471?: CVE-2020-20471 is a high-severity vulnerability in White Shark Systems Project, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-06-21.
How severe is CVE-2020-20471?: High severity. CVSS v3 base score is 8.8 out of 10.