CVE-2017-16935

Ametys before 4.0.3 requires authentication only for URIs containing a /cms/ substring, which allows remote attackers to bypass intended access restrictions via a direct request to /plugins/core-ui/servercomm/messages.xml, as demonstrated by changing the admin password by obtaining account details via a users/search.json request, and then modifying the account via an editUser request.

• CWE-20

• https://blogs.securiteam.com/index.php/archives/3517Exploit, Technical Description, Third Party Advisory
• https://issues.ametys.org/browse/RUNTIME-2582Issue Tracking, Vendor Advisory
• https://blogs.securiteam.com/index.php/archives/3517Exploit, Technical Description, Third Party Advisory
• https://issues.ametys.org/browse/RUNTIME-2582Issue Tracking, Vendor Advisory

Published

Nov 24, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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