PT-2023-12078

CVE-2021-25827

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Published

2023-06-28

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Updated

2026-10-24

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Emby Server versions prior to 4.7.12.0
Description The issue allows for a login bypass attack by setting the X-Forwarded-For header to a local IP address. This enables unauthorized access without proper credentials.
Recommendations For versions prior to 4.7.12.0, update to version 4.7.12.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the Emby Server to minimize the risk of exploitation. Avoid using the X-Forwarded-For header in authentication processes until the issue is resolved.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
GHSA-FFFJ-6FR6-3FGF
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