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CVE-2026-54798

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之前版本存在日志信息泄露漏洞，该漏洞源于调试接口可通过HTTP端点访问，可能导致已认证的攻击者通过使Web进程崩溃来中断系统，从而造成拒绝服务条件。

CVSS 6.5 · Medium EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

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-2026-54798

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 includes a debugging interface that is accessible through HTTP endpoints. This could allow an authenticated attacker to disrupt the system by crashing the web process causing denial of service conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
遗留的调试代码
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens CPCI85 Central Processing/Communication 调试信息泄露漏洞
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之前版本存在日志信息泄露漏洞，该漏洞源于调试接口可通过HTTP端点访问，可能导致已认证的攻击者通过使Web进程崩溃来中断系统，从而造成拒绝服务条件。
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-2026-54798

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III. Intelligence Information for CVE-2026-54798

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Vendor Advisories for CVE-2026-54798 (1)

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

CVE-2026-54801 7.2 HIGH Siemens CPCI85 Central Processing/Communication 授权问题漏洞
CVE-2026-54799 6.7 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-489

V. Comments for CVE-2026-54798

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