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CVE-2021-21399— Unauthenticated SubSonic backend access in Ampache

Quick assessment

Affected
ampache ampache
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ampache是一款基于Web的音频/视频应用程序和文件管理器。 Ampache 存在授权问题漏洞，该漏洞允许使用进行未经验证的访问。

CVSS 9.1 · Critical EPSS 1.44% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21399

Vulnerability Information
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Vulnerability Title
Unauthenticated SubSonic backend access in Ampache
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Ampache 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ampache是一款基于Web的音频/视频应用程序和文件管理器。 Ampache 存在授权问题漏洞，该漏洞允许使用进行未经验证的访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ampache ampache < 4.4.1 -

II. Public POCs for CVE-2021-21399

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III. Intelligence Information for CVE-2021-21399

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Vendor Advisories for CVE-2021-21399 (1)

IV. Related Vulnerabilities

Same product: ampache
Same vendor: ampache
Same weakness: CWE-284

V. Comments for CVE-2021-21399

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