Vulnerability Details : 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.
Vulnerability category: Input validation
Products affected by CVE-2017-16935
- cpe:2.3:a:ametys:ametys:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-16935
4.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-16935
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-16935
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16935
-
https://issues.ametys.org/browse/RUNTIME-2582
[RUNTIME-2582] Admin Password Reset vulnerability report - JIRA AmetysIssue Tracking;Vendor Advisory
-
https://blogs.securiteam.com/index.php/archives/3517
SSD Advisory – Ametys CMS Unauthenticated Password Reset - SSD Secure DisclosureExploit;Technical Description;Third Party Advisory
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