Description
A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.
Published: 2026-07-09
Score: 8.6 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 16 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Web API Authentication Validation Flaw Allowing Privilege Escalation in Siemens CPCI85 and SICORE Base

Wed, 15 Jul 2026 04:45:00 +0000

Type Values Removed Values Added
Title Authentication Bypass via Web API in Siemens CPCI85 and SICORE Base Systems

Mon, 13 Jul 2026 01:45:00 +0000

Type Values Removed Values Added
Title Authentication Bypass via Web API in Siemens CPCI85 and SICORE Base Systems

Sun, 12 Jul 2026 07:15:00 +0000

Type Values Removed Values Added
Title Insufficient Authentication Validation in Siemens CPCI85 and SICORE Base Systems Enables Privilege Escalation via Web API

Fri, 10 Jul 2026 14:00:00 +0000

Type Values Removed Values Added
Title Insufficient Authentication Validation in Siemens CPCI85 and SICORE Base Systems Enables Privilege Escalation via Web API

Thu, 09 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 09 Jul 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens cpci85 Central Processing\/communication
Siemens sicore Base System
Vendors & Products Siemens
Siemens cpci85 Central Processing\/communication
Siemens sicore Base System

Thu, 09 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.
Weaknesses CWE-620
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Siemens Cpci85 Central Processing\/communication Sicore Base System
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2026-07-09T17:37:43.135Z

Reserved: 2026-06-16T07:47:12.274Z

Link: CVE-2026-54801

cve-icon Vulnrichment

Updated: 2026-07-09T17:37:39.245Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-16T20:00:06Z

Weaknesses