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CVE-2026-46749

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，该漏洞源于密码哈希实现使用静态硬编码盐且迭代次数不足，可能导致攻击者通过暴力破解或预计算攻击恢复用户密码。

CVSS 7.5 · High EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

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-2026-46749

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 application uses a password hashing implementation with a static, hardcoded salt shared across all users and installations, and is configured with an insufficient number of iterations. This could allow an attacker to efficiently recover user passwords using brute-force or precomputed attacks, potentially resulting in unauthorized access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用可预测Salt的单向哈希算法
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，该漏洞源于密码哈希实现使用静态硬编码盐且迭代次数不足，可能导致攻击者通过暴力破解或预计算攻击恢复用户密码。
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-2026-46749

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III. Intelligence Information for CVE-2026-46749

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Vendor Advisories for CVE-2026-46749 (1)

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

CVE-2026-46748 8.8 HIGH Siemens SINEC INS 安全漏洞
CVE-2026-46746 8.8 HIGH Siemens SINEC INS 操作系统命令注入漏洞
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-760

V. Comments for CVE-2026-46749

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