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CVE-2026-54801

Quick assessment

Affected
Siemens CPCI85 Central Processing/Communication
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Siemens CPCI85 Central Processing/Communication是德国Siemens公司的一款中央处理及通信设备。 Siemens CPCI85 Central Processing/Communication V26.20之前版本存在授权问题漏洞，该漏洞源于通过web API处理管理账户修改时对身份验证凭据验证不足，可能导致已认证的攻击者绕过安全控制并获得未授权的权限提升。

CVSS 7.2 · High EPSS 0.62% · P49

Affected Version Matrix 2

VendorProduct Version RangeStatus
Siemens CPCI85 Central Processing/Communication < V26.20 affected
Siemens SICORE Base system < V26.20.0 affected
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I. Basic Information for CVE-2026-54801

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经验证的口令修改
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens CPCI85 Central Processing/Communication 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens CPCI85 Central Processing/Communication是德国Siemens公司的一款中央处理及通信设备。 Siemens CPCI85 Central Processing/Communication V26.20之前版本存在授权问题漏洞，该漏洞源于通过web API处理管理账户修改时对身份验证凭据验证不足，可能导致已认证的攻击者绕过安全控制并获得未授权的权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Siemens CPCI85 Central Processing/Communication 0 ~ V26.20 -
Siemens SICORE Base system 0 ~ V26.20.0 -

II. Public POCs for CVE-2026-54801

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III. Intelligence Information for CVE-2026-54801

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Vendor Advisories for CVE-2026-54801 (1)

Same Patch Batch · Siemens · 2026-07-09 · 4 CVEs total

CVE-2026-54799 6.7 MEDIUM Siemens CPCI85 Central Processing/Communication 调试信息泄露漏洞
CVE-2026-54798 6.5 MEDIUM Siemens CPCI85 Central Processing/Communication 调试信息泄露漏洞
CVE-2026-54800 4.8 MEDIUM Siemens CPCI85 Central Processing/Communication 配置错误漏洞

IV. Related Vulnerabilities

Same product: CPCI85 Central Processing/Communication
Same vendor: Siemens
Same weakness: CWE-620