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CVE-2026-46748

Quick assessment

Affected
Siemens SINEC INS
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 SINEC INS是德国西门子（Siemens）公司的一款为网络基础设施提供中央服务的软件。 Siemens SINEC INS V1.0 SP2 Update 6之前版本存在安全漏洞，该漏洞源于系统包含配置了cap_dac_override能力的二进制文件，可能导致本地攻击者绕过文件系统权限检查，提升权限至root。

CVSS 8.8 · High EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
Siemens SINEC INS < V1.0 SP2 Update 6 affected
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I. Basic Information for CVE-2026-46748

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SINEC INS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SINEC INS是德国西门子（Siemens）公司的一款为网络基础设施提供中央服务的软件。 Siemens SINEC INS V1.0 SP2 Update 6之前版本存在安全漏洞，该漏洞源于系统包含配置了cap_dac_override能力的二进制文件，可能导致本地攻击者绕过文件系统权限检查，提升权限至root。
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 SINEC INS 0 ~ V1.0 SP2 Update 6 -

II. Public POCs for CVE-2026-46748

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III. Intelligence Information for CVE-2026-46748

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Vendor Advisories for CVE-2026-46748 (1)

Same Patch Batch · Siemens · 2026-06-09 · 6 CVEs total

CVE-2026-46746 8.8 HIGH Siemens SINEC INS 操作系统命令注入漏洞
CVE-2026-46749 7.5 HIGH Siemens SINEC INS 安全漏洞
CVE-2026-24349 7.1 HIGH Siemens SIMATIC WinCC Unified PC Runtime 安全漏洞
CVE-2025-40808 6.1 MEDIUM Siemens多款产品 代码问题漏洞
CVE-2026-46747 4.3 MEDIUM Siemens SINEC INS 安全漏洞

IV. Related Vulnerabilities

Same product: SINEC INS
Same vendor: Siemens
Same weakness: CWE-250

V. Comments for CVE-2026-46748

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