CVE-2023-37266
CriticalCVSS 9.8Exploitation Probability (EPSS)
Very high risk92th percentile - higher than 92% of all known CVEs
Summary
CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances.
Risk Assessment
The organization may be exposed to unauthorized access to the system and the ability to execute malicious commands, potentially leading to serious security breaches.
Recommendation
It is recommended to upgrade to CasaOS version 0.4.4 to patch this vulnerability. If an upgrade is not possible, temporarily restrict access to CasaOS for untrusted users.
Original NVD description (English source)
CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit `705bf1f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.