Ametys up to 4.0.2 Access Restriction access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Ametys up to 4.0.2. It has been declared as critical. The affected element is an unknown function of the component Access Restriction. The manipulation results in access control. This vulnerability is reported as CVE-2017-16935. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Ametys up to 4.0.2. Affected is some unknown processing of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 11/24/2017. The weakness was disclosed 11/24/2017 (Website). The advisory is available at blogs.securiteam.com. This vulnerability is traded as CVE-2017-16935 since 11/24/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 4.0.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44050). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ametys 4.0.3

Timelineinfo

11/24/2017 🔍
11/24/2017 +0 days 🔍
11/24/2017 +0 days 🔍
11/24/2017 +0 days 🔍
11/24/2017 +0 days 🔍
08/11/2025 +2817 days 🔍

Sourcesinfo

Advisory: blogs.securiteam.com⛔
Status: Confirmed

CVE: CVE-2017-16935 (🔍)
GCVE (CVE): GCVE-0-2017-16935
GCVE (VulDB): GCVE-100-109962
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/24/2017 20:24
Updated: 08/11/2025 04:09
Changes: 11/24/2017 20:24 (57), 12/10/2019 15:52 (5), 08/11/2025 04:09 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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