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CVE-2023-42796

Quick assessment

Affected
Siemens CP-8031 MASTER MODULE
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 CP-8031是德国西门子（Siemens）公司的一个工业设备模块。 Siemens CP-8031 MASTER MODULE, CP-8050 MASTER MODULE 存在路径遍历漏洞，该漏洞源于受影响设备的 Web 服务器无法正确清理 /sicweb-ajax/tmproot/ 端点的用户输入。

CVSS 7.5 · High EPSS 0.73% · P52
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I. Basic Information for CVE-2023-42796

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.11), CP-8050 MASTER MODULE (All versions < CPCI85 V05.11). The web server of affected devices fails to properly sanitize user input for the /sicweb-ajax/tmproot/ endpoint. This could allow an authenticated remote attacker to traverse directories on the system and download arbitrary files. By exploring active session IDs, the vulnerability could potentially be leveraged to escalate privileges to the administrator role.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens CP-8031 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens CP-8031是德国西门子（Siemens）公司的一个工业设备模块。 Siemens CP-8031 MASTER MODULE, CP-8050 MASTER MODULE 存在路径遍历漏洞，该漏洞源于受影响设备的 Web 服务器无法正确清理 /sicweb-ajax/tmproot/ 端点的用户输入。
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 CP-8031 MASTER MODULE All versions < CPCI85 V05.11 -
Siemens CP-8050 MASTER MODULE All versions < CPCI85 V05.11 -

II. Public POCs for CVE-2023-42796

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III. Intelligence Information for CVE-2023-42796

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Vendor Advisories for CVE-2023-42796 (1)

Same Patch Batch · Siemens · 2023-10-10 · 21 CVEs total

CVE-2023-36380 9.8 CRITICAL Siemens CP-8031 信任管理问题漏洞
CVE-2023-43625 9.8 CRITICAL Siemens Simcenter Amesim 代码注入漏洞
CVE-2023-35796 8.3 HIGH Siemens SINEMA Server 跨站脚本漏洞
CVE-2023-44081 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2022-30527 7.8 HIGH Siemens SINEC NMS 安全漏洞
CVE-2023-30900 7.8 HIGH Siemens Xpedition Layout Browser 安全漏洞
CVE-2023-45601 7.8 HIGH Siemens Parasolid 缓冲区错误漏洞
CVE-2023-44082 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-44083 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-44084 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-44085 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-44086 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-44087 7.8 HIGH Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2023-45204 7.8 HIGH Siemens Tecnomatix Plant Simulation 代码问题漏洞
CVE-2023-45205 7.8 HIGH Siemens SICAM PAS/PQS 安全漏洞
CVE-2023-37194 6.7 MEDIUM Siemens SIMATIC 多款产品访问控制错误漏洞
CVE-2023-38640 6.6 MEDIUM Siemens SICAM PAS/PQS 安全漏洞
CVE-2023-43623 5.3 MEDIUM Siemens Mendix 安全漏洞
CVE-2023-44315 4.7 MEDIUM Siemens SINEC NMS 跨站脚本漏洞
CVE-2023-37195 4.4 MEDIUM Siemens SIMATIC 多款产品资源管理错误漏洞

IV. Related Vulnerabilities

Same product: CP-8031 MASTER MODULE
Same vendor: Siemens
Same weakness: CWE-22

V. Comments for CVE-2023-42796

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