What is CVE-2020-20466?

CVE-2020-20466 is a critical-severity vulnerability in White Shark Systems Project, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2021-06-21.

How severe is CVE-2020-20466?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in White Shark Systems Project

CVE-2020-20466

White Shark System (WSS) 1.3.2 is vulnerable to unauthorized access via user_edit_password.php, remote attackers can modify the password of any user.

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · 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-2020-20466?: CVE-2020-20466 is a critical-severity vulnerability in White Shark Systems Project, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2021-06-21.
How severe is CVE-2020-20466?: Critical severity. CVSS v3 base score is 9.8 out of 10.