CVE-2023-48702

Name: CVE-2023-48702
Creator: NVD / NIST
Published: 2023-12-13T21:15:07.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2023-48702 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Jellyfin	Jellyfin	< 10.8.13

References

https://github.com/jellyfin/jellyfin/commit/83d2c69516471e2db72d9273c6a04247d0f37c86Patch
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rr9h-w522-cvmrExploit, Vendor Advisory
https://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/Exploit, Third Party Advisory
https://github.com/jellyfin/jellyfin/commit/83d2c69516471e2db72d9273c6a04247d0f37c86Patch
https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rr9h-w522-cvmrExploit, Vendor Advisory
https://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/Exploit, Third Party Advisory

Timeline

Published: Dec 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48702?

How severe is CVE-2023-48702?

CVE-2023-48702 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48702?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48702?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST