What is CVE-2021-21286?

CVE-2021-21286 is a high-severity vulnerability in Wwbn Avideo, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2021-02-01.

How severe is CVE-2021-21286?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Wwbn Avideo

CVE-2021-21286

AVideo Platform is an open-source Audio and Video platform. It is similar to a self-hosted YouTube. In AVideo Platform before version 10.2 there is an authorization bypass vulnerability which enables an ordinary user to get admin control. This is fixed in version 10.2. All queries now remove the pass hash and the recoverPass hash.

Vulnerability class: Broken Access Control

Published 2021-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Wwbn Avideo — versions < 10.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

github.com/WWBN/AVideo/security/advisories/GHSA-xq8j-fhg5-hr39 (Third Party Advisory)
avideo.tube/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-21286?: CVE-2021-21286 is a high-severity vulnerability in Wwbn Avideo, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2021-02-01.
How severe is CVE-2021-21286?: High severity. CVSS v3 base score is 7.7 out of 10.