Auth bypass in Ampache

CVE-2021-21399

Ampache is a web based audio/video streaming application and file manager. Versions prior to 4.4.1 allow unauthenticated access to Ampache using the subsonic API. To successfully make the attack you must use a username that is not part of the site to bypass the auth checks. For more details and workaround guidance see the referenced GitHub security advisory.

EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21399?
CVE-2021-21399 is a critical-severity vulnerability in Ampache, classified under Improper Access Control. CVSS score: 9.1/10. Published 2021-04-13.
How severe is CVE-2021-21399?
Critical severity. CVSS v3 base score is 9.1 out of 10.