Vulnerability in Emby
CVE-2021-25827
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 · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emby.media/community/index.php (Product)
- github.com/MediaBrowser/Emby/issues/3784 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/EmbySupport/security/security/advisories/GHSA-fffj-6fr6-3fgf (Not Applicable)
Frequently asked questions
- What is CVE-2021-25827?
- CVE-2021-25827 is a critical-severity vulnerability in Emby, classified under Authentication Bypass by Spoofing. CVSS score: 9.8/10. Published 2023-06-28.
- How severe is CVE-2021-25827?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-25827 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.