CVE-2021-25827 : Emby Server < 4.7.12.0 is vulnerable to a login bypass attack by setting the X-F

Emby Server < 4.7.12.0 is vulnerable to a login bypass attack by setting the X-Forwarded-For header to a local IP-address.

Published 2023-06-28 20:15:09

Updated 2023-07-10 23:24:27

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-25827

Emby » Emby
Versions before (<) 4.7.12.0
cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 56 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Assigned by: nvd@nist.gov (Primary)

https://github.com/MediaBrowser/Emby/issues/3784

Incorrect Access Control - Don't require a password on the local network (CVE-2021-25827) · Issue #3784 · MediaBrowser/Emby · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/EmbySupport/security/security/advisories/GHSA-fffj-6fr6-3fgf

Emby Server Proxy Header Spoofing Vulnerability · Advisory · EmbySupport/security · GitHub
Not Applicable

CVEs referencing this url
https://emby.media/community/index.php?/topic/98191-emby-server-46-released/

Emby Server 4.6 Released - Announcements - Emby Community
Product

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