CVE-2023-37266 Scanner.
CasaOS < 0.4.4 - Authentication Bypass via Random JWT Token
Free and read-only. Scan only sites you own or are allowed to test.
What This Check Does.
Read-only
It only asks your site for public pages, the way a browser would. Nothing is changed, uploaded or stored.
Up to 1 request
A small, fixed number of requests, so the check is quick and will not load your site.
Looks for CVE-2023-37266
It looks for the specific sign of this one vulnerability and ends with a clear answer: vulnerable, not vulnerable, or could not be determined.
About CVE-2023-37266. What It Means.
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…
More CVEs In Icewhale CasaOS.
FAQ
Common Questions.
CasaOS < 0.4.4 - Authentication Bypass via Random JWT Token. 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…
Atlas sends up to 1 read-only request to your site and looks for the specific sign of CVE-2023-37266 in Icewhale CasaOS. Nothing is changed, uploaded or stored on your site.
CVE-2023-37266 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing. Its CVSS score is 9.8.
Yes. The check only reads public pages, the same way a browser or a search engine would. Scan only sites you own or are allowed to test.
It means no sign of CVE-2023-37266 was found by this read-only check. It does not prove the site is free of other weaknesses.
Update Icewhale CasaOS to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. The vendor links and details are in the CVE-2023-37266 briefing linked on this page.
Scan only sites you own or have written permission to test. A result of Not Vulnerable means this read-only check found no sign of CVE-2023-37266; it is not a guarantee that the site is secure.