CVE-2021-29490

Published at:
2021-05-06T13:15:12.493

Global infos:

Jellyfin is a free software media system that provides media from a dedicated server to end-user devices via multiple apps. Verions prior to 10.7.3 vulnerable to unauthenticated Server-Side Request Forgery (SSRF) attacks via the imageUrl parameter. This issue potentially exposes both internal and external HTTP servers or other resources available via HTTP `GET` that are visible from the Jellyfin server. The vulnerability is patched in version 10.7.3. As a workaround, disable external access to the API endpoints `/Items/*/RemoteImages/Download`, `/Items/RemoteSearch/Image` and `/Images/Remote` via reverse proxy, or limit to known-friendly IPs.

CVE Status: Modified

References:

  • [email protected]
  • af854a3a-2127-422b-91ae-364da2661108
  • Metrics:

    AttributeValue
    Attack ComplexityLOW
    Attack VectorNETWORK
    Availability ImpactNONE
    Base Score5.8
    Base SeverityMEDIUM
    Confidentiality ImpactLOW
    Integrity ImpactNONE
    Privileges RequiredNONE
    ScopeCHANGED
    User InteractionNONE
    Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
    Exploitability Score3.9
    Impact Score1.4
    Source[email protected]
    TypeSecondary

    Links:

    Exploit-db
    Github