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TI-2021-08887 Aliases CVE-2021-27394GHSA-x3jr-ggr7-pvhq

Improper privilege management in Siemens Mendix Applications using Mendix 7

Priority MEDIUM 41CWE-269Published · Updated

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

EPSS 0.01422 73rd percentileScored 2026-11-07
Fix Fixed Mendix Applications using Mendix 7 (Siemens): V7.23.19Mendix Applications using Mendix 8 (Siemens): V8.17.0+3 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensMendix Applications using Mendix 7before V7.23.19V7.23.19Patch availableCNA
SiemensMendix Applications using Mendix 8before V8.17.0V8.17.0Patch availableCNA
SiemensMendix Applications using Mendix 8 (V8.12)before V8.12.5V8.12.5Patch availableCNA
SiemensMendix Applications using Mendix 8 (V8.6)before V8.6.9V8.6.9Patch availableCNA
SiemensMendix Applications using Mendix 9before V9.0.5V9.0.5Patch availableCNA
  • 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

CPEVersionsRoleVendor
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 8.12.5VulnerableMendix
  • 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

  1. 2026-10-02 Threatist record created from CVE-2021-27394
  2. 2026-10-03 Alias added: GHSA-x3jr-ggr7-pvhq

References

  • 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
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