Improper privilege management in Siemens Mendix Applications using Mendix 7
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.19), Mendix Applications using Mendix 8 (All versions < V8.17.0), Mendix Applications using Mendix 8 (V8.12) (All versions < V8.12.5), Mendix Applications using Mendix 8 (V8.6) (All versions < V8.6.9), Mendix Applications using Mendix 9 (All versions < V9.0.5). Authenticated, non-administrative users could modify their privileges by manipulating the user role under certain circumstances, allowing them to gain administrative privileges.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | Mendix Applications using Mendix 7 | before V7.23.19 | V7.23.19 | Patch available | CNA |
| Siemens | Mendix Applications using Mendix 8 | before V8.17.0 | V8.17.0 | Patch available | CNA |
| Siemens | Mendix Applications using Mendix 8 (V8.12) | before V8.12.5 | V8.12.5 | Patch available | CNA |
| Siemens | Mendix Applications using Mendix 8 (V8.6) | before V8.6.9 | V8.6.9 | Patch available | CNA |
| Siemens | Mendix Applications using Mendix 9 | before V9.0.5 | V9.0.5 | Patch available | CNA |
- Mendix Applications using Mendix 7 VendorSiemens Affected before V7.23.19 Fixed in V7.23.19 Patch available CNA
- Mendix Applications using Mendix 8 VendorSiemens Affected before V8.17.0 Fixed in V8.17.0 Patch available CNA
- Mendix Applications using Mendix 8 (V8.12) VendorSiemens Affected before V8.12.5 Fixed in V8.12.5 Patch available CNA
- Mendix Applications using Mendix 8 (V8.6) VendorSiemens Affected before V8.6.9 Fixed in V8.6.9 Patch available CNA
- Mendix Applications using Mendix 9 VendorSiemens Affected before V9.0.5 Fixed in V9.0.5 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mendix:mendix:*:*:*:*:*:*:*:* | 7.0.2 to before 7.23.19; 8.0.0 to before 8.17.0; 9.0.0 to before 9.0.5; 8.6.0 to before 8.6.9; 8.12.0 to before 8.12.5 | Vulnerable | Mendix |
- cpe:2.3:a:mendix:mendix:*:*:*:*:*:*:*:* Versions 7.0.2 to before 7.23.19; 8.0.0 to before 8.17.0; 9.0.0 to before 9.0.5; 8.6.0 to before 8.6.9; 8.12.0 to before 8.12.5 Vulnerable ·Mendix
Remediation
- Fix · CNA Mendix Applications using Mendix 7 (Siemens) Fixed in V7.23.19
- Fix · CNA Mendix Applications using Mendix 8 (Siemens) Fixed in V8.17.0
- Fix · CNA Mendix Applications using Mendix 8 (V8.12) (Siemens) Fixed in V8.12.5
- Fix · CNA Mendix Applications using Mendix 8 (V8.6) (Siemens) Fixed in V8.6.9
- Fix · CNA Mendix Applications using Mendix 9 (Siemens) Fixed in V9.0.5
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27394
- 2026-10-03 Alias added: GHSA-x3jr-ggr7-pvhq
References
More Siemens vulnerabilities
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2021-27394 · CVE Program
- CVE-2021-27394 · NVD
- FIRST EPSS
- GHSA-x3jr-ggr7-pvhq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences