CVE-2021-21399

Unauthenticated SubSonic backend access in Ampache

HIGH
7.5
CVSS Score
Published: April 13, 2021 at 05:50 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorAmpache

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Severity
HIGH7.5
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.4.1
Affected range stops below 4.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMExploitMitigationThird Party Advisory
https://github.com/ampache/ampache/security/advisories/GHSA-p9pm-j95j-5mjf

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284CWE-287

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