AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-21399

CRITICAL · CVSS 9.1 EPSS 1.44% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It affects GitHub. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-21399
Severity
CRITICAL
CVSS
9.1
EPSS
1.44%
GitHub

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)