CVE-2021-21399

CRITICAL

Ampache < 4.4.1 - Unauthenticated Access Control Bypass via Subsonic API

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_confirm
https://github.com/ampache/ampache/security/advisories/GHSA-p9pm-j95j-5mjf

Scores

CVSS v3 9.1
EPSS 0.0144
EPSS Percentile 69.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-284 CWE-287
Status published
Products (1)
ampache/ampache < 4.4.1
Published Apr 13, 2021
Tracked Since Feb 18, 2026