VDB-173161 · CVE-2021-27394 · ssa-875726

Siemens Mendix up to 7.23.18/8.6.8/8.12.4/9.0.4 User Role privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Siemens Mendix up to 7.23.18/8.6.8/8.12.4/9.0.4. Affected is an unknown function of the component User Role Handler. This manipulation causes privileges management. This vulnerability is handled as CVE-2021-27394. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Siemens Mendix up to 7.23.18/8.6.8/8.12.4/9.0.4. Affected by this vulnerability is some unknown functionality of the component User Role Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/17/2021 as ssa-875726. The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2021-27394. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 7.23.19, 8.6.9, 8.12.5, 8.17.0 or 9.0.5 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Siemens

Name

Mendix

Version

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mendix 7.23.19/8.6.9/8.12.5/8.17.0/9.0.5

Timelineinfo

02/18/2021 🔍
04/17/2021 +57 days 🔍
04/17/2021 +0 days 🔍
04/21/2021 +4 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-875726
Status: Not defined

CVE: CVE-2021-27394 (🔍)
GCVE (CVE): GCVE-0-2021-27394
GCVE (VulDB): GCVE-100-173161

Entryinfo

Created: 04/17/2021 09:11
Updated: 04/21/2021 19:36
Changes: 04/17/2021 09:11 (39), 04/21/2021 19:36 (5)
Complete: 🔍
Cache ID: 216::103