Security Advisory

CVE-2021-42835

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-12-08 14:34:35

Last updated 2024-08-04 03:38:50

Assigner mitre

State PUBLISHED

Description

An issue was discovered in Plex Media Server through 1.24.4.5081-e362dc1ee. An attacker (with a foothold in a endpoint via a low-privileged user account) can access the exposed RPC service of the update service component. This RPC functionality allows the attacker to interact with the RPC functionality and execute code from a path of his choice (local, or remote via SMB) because of a TOCTOU race condition. This code execution is in the context of the Plex update service (which runs as SYSTEM).

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