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CVE-2022-34819

Quick assessment

Affected
Siemens SIMATIC CP 1242-7 V2
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 SIMATIC S7-1200是德国西门子（Siemens）公司的一款S7-1200系列PLC（可编程逻辑控制器）。 SIMATIC CP多款产品、SIPLUS多款产品存在缓冲区错误漏洞，该漏洞源于在解析特定消息时缺乏对用户提供的数据的正确验证，从而导致基于堆的缓冲区溢出。攻击者利用该漏洞在受影响设备中执行代码。以下产品及版本受到影响：SIMATIC CP 1242-7 V2版本、SIMATIC CP 1243-1版本、SIMATIC CP 1243-7 LTE EU版本、SIMATIC

CVSS 10.0 · Critical EPSS 2.08% · P81

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-34819

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
多款Siemens产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC S7-1200是德国西门子（Siemens）公司的一款S7-1200系列PLC（可编程逻辑控制器）。 SIMATIC CP多款产品、SIPLUS多款产品存在缓冲区错误漏洞，该漏洞源于在解析特定消息时缺乏对用户提供的数据的正确验证，从而导致基于堆的缓冲区溢出。攻击者利用该漏洞在受影响设备中执行代码。以下产品及版本受到影响：SIMATIC CP 1242-7 V2版本、SIMATIC CP 1243-1版本、SIMATIC CP 1243-7 LTE EU版本、SIMATIC
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 SIMATIC CP 1242-7 V2 All versions < V3.3.46 -
Siemens SIMATIC CP 1243-1 All versions < V3.3.46 -
Siemens SIMATIC CP 1243-7 LTE EU All versions < V3.3.46 -
Siemens SIMATIC CP 1243-7 LTE US All versions < V3.3.46 -
Siemens SIMATIC CP 1243-8 IRC All versions < V3.3.46 -
Siemens SIMATIC CP 1542SP-1 IRC All versions >= V2.0 < V2.2.28 -
Siemens SIMATIC CP 1543-1 All versions < V3.0.22 -
Siemens SIMATIC CP 1543SP-1 All versions >= V2.0 < V2.2.28 -
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL All versions >= V2.0 < V2.2.28 -
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC All versions >= V2.0 < V2.2.28 -
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL All versions >= V2.0 < V2.2.28 -
Siemens SIPLUS NET CP 1242-7 V2 All versions < V3.3.46 -
Siemens SIPLUS NET CP 1543-1 All versions < V3.0.22 -
Siemens SIPLUS S7-1200 CP 1243-1 All versions < V3.3.46 -
Siemens SIPLUS S7-1200 CP 1243-1 RAIL All versions < V3.3.46 -

II. Public POCs for CVE-2022-34819

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III. Intelligence Information for CVE-2022-34819

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Vendor Advisories for CVE-2022-34819 (1)

Same Patch Batch · Siemens · 2022-07-12 · 41 CVEs total

CVE-2022-26649 9.6 CRITICAL 多款Siemens SCALANCE产品安全漏洞
CVE-2022-26647 8.8 HIGH Siemens SCALANCE 安全特征问题特征问题漏洞
CVE-2022-34820 8.4 HIGH 多款Siemens SIMATIC产品命令注入漏洞
CVE-2022-26648 8.2 HIGH Siemens SCALANCE 安全漏洞
CVE-2022-34663 8.0 HIGH Siemens RUGGEDCOM 代码注入漏洞
CVE-2022-34821 7.6 HIGH Siemens SIMATIC 代码注入漏洞
CVE-2022-34464 6.3 MEDIUM Siemens SICAM GridEdge Essential 安全漏洞
CVE-2022-34276 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-34278 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-34275 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-34274 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-34273 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-34272 Siemens PADS Standard/Plus Viewer 缓冲区错误漏洞
CVE-2022-33736 Siemens Opcenter Quality 授权问题漏洞
CVE-2022-33138 Siemens SIMATIC 访问控制错误漏洞
CVE-2022-33137 Siemens SIMATIC 代码问题漏洞
CVE-2022-31257 Siemens Mendix Applications using Mendix 7和Siemens Mendix Applications using Mendix 9 安全漏洞
CVE-2022-30938 Siemens EN100 Ethernet module 缓冲区错误漏洞
CVE-2022-29884 Siemens SICAM A8000 CP-8000 资源管理错误漏洞
CVE-2022-29560 Siemens RUGGEDCOM ROX 系列命令注入漏洞

Showing top 20 of 41 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: SIMATIC CP 1242-7 V2
Same vendor: Siemens
Same weakness: CWE-122

V. Comments for CVE-2022-34819

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