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CVE-2026-34223

Quick assessment

Affected
Siemens Desigo CC ClickOnce Client V6
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.

已在 Desigo CC ClickOnce 客户端 V6（所有版本）、Desigo CC ClickOnce 客户端 V7（所有版本）、Desigo CC 家族 V8（所有版本）、Desigo CC 家族 V9（所有版本）、Desigo CC Flex 客户端 V6（所有版本）、Desigo CC Flex 客户端 V7（所有版本）、Desigo CC 安装版客户端 V6（所有版本）及 Desigo CC 安装版客户端 V7（所有版本）中发现了一个漏洞。受影响的应用程序在处理用户定义的图形文档中嵌入的脚本时，由于

CVSS 8.2 · High
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I. Basic Information for CVE-2026-34223

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Desigo CC ClickOnce Client V6 (All versions), Desigo CC ClickOnce Client V7 (All versions), Desigo CC family V8 (All versions), Desigo CC family V9 (All versions), Desigo CC Flex Client V6 (All versions), Desigo CC Flex Client V7 (All versions), Desigo CC Installed Client V6 (All versions), Desigo CC Installed Client V7 (All versions). The affected application is vulnerable to Client Code Execution (CCE) due to insufficient input validation when handling scripts embedded within user-defined graphics documents. Specifically, when the script within a graphics document is designed or modified by an attacker to include malicious commands. When a user opens a compromised graphics document, the embedded script is executed on the client application instance, allowing an attacker to write arbitrary files to the client's operating system. Successful exploitation requires an attacker to craft a malicious graphics document and entice a user with sufficient privileges to display it. This could lead to compromise of the client operating system and potential lateral movement within the organization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Siemens Desigo CC ClickOnce Client V6 0 ~ * -
Siemens Desigo CC ClickOnce Client V7 0 ~ * -
Siemens Desigo CC family V8 0 ~ * -
Siemens Desigo CC family V9 0 ~ * -
Siemens Desigo CC Flex Client V6 0 ~ * -
Siemens Desigo CC Flex Client V7 0 ~ * -
Siemens Desigo CC Installed Client V6 0 ~ * -
Siemens Desigo CC Installed Client V7 0 ~ * -

II. Public POCs for CVE-2026-34223

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III. Intelligence Information for CVE-2026-34223

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Vendor Advisories for CVE-2026-34223 (1)

Same Patch Batch · Siemens · 2026-09-08 · 13 CVEs total

CVE-2026-62645 9.8 CRITICAL 雷尔勒7SR5 V2.70信息泄露致认证绕过
CVE-2026-50093 9.0 CRITICAL Siveillance OIS模块任意文件上传导致root权限
CVE-2026-62650 8.8 HIGH Reyrolle 7SR5 低版本RBAC绕过致权限提升
CVE-2026-67367 8.6 HIGH SIMOVE Fleetmanager 等目录遍历漏洞
CVE-2026-62649 7.5 HIGH Reyrolle 7SR5 <2.70 未认证拒绝服务漏洞
CVE-2026-62648 7.5 HIGH 瑞洛尔7SR5 V2.70前URL越界写入致DoS
CVE-2026-62647 7.4 HIGH Reyrolle 7SR5 早期版本随机数可预测漏洞
CVE-2026-62646 7.4 HIGH Reyrolle 7SR5低熵会话标识符预测漏洞
CVE-2026-62654 6.8 MEDIUM Reyrolle 7SR5 (<V2.70) 维护模式未验证代码
CVE-2026-62653 6.8 MEDIUM Reyrolle 7SR5 V2.70前内存损坏及代码执行漏洞
CVE-2026-58113 6.1 MEDIUM Teamcenter多版本认证重定向中XSS漏洞
CVE-2026-62652 5.3 MEDIUM Reyrolle 7SR5低版本固件调试符号泄露

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-94

V. Comments for CVE-2026-34223

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