CVE-2021-21399
Last modified
CVE-2021-21399 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ampache | Ampache | < 4.4.1 |
References
- https://github.com/ampache/ampache/security/advisories/GHSA-p9pm-j95j-5mjfExploit, Mitigation, Third Party Advisory
- https://github.com/ampache/ampache/security/advisories/GHSA-p9pm-j95j-5mjfExploit, Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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