VULNERABILITY INTELLIGENCE

CVE-2017-16935

CVSS score9.8 CRITICAL

EPSS probability7.66%

CISA KEVNot currently listed

Published2017-11-24

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

CWE-20: Improper Input Validation

Primary references

cve@mitre.org — Exploit, Technical Description, Third Party Advisory
cve@mitre.org — Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory