CVE-2023-29357 Scanner.
Microsoft SharePoint - Authentication Bypass
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 2 requests
A small, fixed number of requests, so the check is quick and will not load your site.
Looks for CVE-2023-29357
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-2023-29357. What It Means.
Microsoft SharePoint Server Elevation of Privilege Vulnerability
FAQ
Common Questions.
Microsoft SharePoint - Authentication Bypass. Microsoft SharePoint Server Elevation of Privilege Vulnerability
Atlas sends up to 2 read-only requests to your site and looks for the specific sign of CVE-2023-29357 in Microsoft SharePoint Server. Nothing is changed, uploaded or stored on your site.
Yes. CVE-2023-29357 is on the CISA Known Exploited Vulnerabilities list, which means attackers have used it against real targets.
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-2023-29357 was found by this read-only check. It does not prove the site is free of other weaknesses.
Update Microsoft SharePoint Server 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-2023-29357 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-2023-29357; it is not a guarantee that the site is secure.