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CVE-2024-49849

Quick assessment

Affected
Siemens SIMATIC S7-PLCSIM V16
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 WinCC和Siemens SIMATIC STEP都是德国西门子（Siemens）公司的产品。Siemens SIMATIC WinCC是一套自动化的数据采集与监控（SCADA）系统。Siemens SIMATIC STEP是用于配置和编程 SIMATIC 控制器的综合工程工具。 Siemens SIMATIC WinCC和Siemens SIMATIC STEP存在代码问题漏洞，该漏洞源于受影响的产品在解析日志文件时未正确清理用户可控制的输入。攻击者利用该漏洞可以造成类

CVSS 7.8 · High EPSS 0.22% · P11
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I. Basic Information for CVE-2024-49849

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 S7-PLCSIM V16 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 Safety V16 (All versions), SIMATIC STEP 7 Safety V17 (All versions < V17 Update 9), SIMATIC STEP 7 Safety V18 (All versions), SIMATIC STEP 7 Safety V19 (All versions < V19 Update 4), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 9), SIMATIC STEP 7 V18 (All versions), SIMATIC STEP 7 V19 (All versions < V19 Update 4), SIMATIC WinCC Unified V16 (All versions), SIMATIC WinCC Unified V17 (All versions < V17 Update 9), SIMATIC WinCC Unified V18 (All versions), SIMATIC WinCC Unified V19 (All versions < V19 Update 4), SIMATIC WinCC V16 (All versions), SIMATIC WinCC V17 (All versions < V17 Update 9), SIMATIC WinCC V18 (All versions), SIMATIC WinCC V19 (All versions < V19 Update 4), SIMOCODE ES V16 (All versions), SIMOCODE ES V17 (All versions), SIMOCODE ES V18 (All versions), SIMOCODE ES V19 (All versions), SIMOTION SCOUT TIA V5.4 (All versions), SIMOTION SCOUT TIA V5.5 (All versions), SIMOTION SCOUT TIA V5.6 (All versions < V5.6 SP1 HF7), SINAMICS Startdrive V16 (All versions), SINAMICS Startdrive V17 (All versions), SINAMICS Startdrive V18 (All versions), SINAMICS Startdrive V19 (All versions), SIRIUS Safety ES V17 (TIA Portal) (All versions), SIRIUS Safety ES V18 (TIA Portal) (All versions), SIRIUS Safety ES V19 (TIA Portal) (All versions), SIRIUS Soft Starter ES V17 (TIA Portal) (All versions), SIRIUS Soft Starter ES V18 (TIA Portal) (All versions), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions), TIA Portal Cloud V16 (All versions), TIA Portal Cloud V17 (All versions), TIA Portal Cloud V18 (All versions), TIA Portal Cloud V19 (All versions < V5.2.1.1). Affected products do not properly sanitize user-controllable input when parsing log files. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC WinCC和Siemens SIMATIC STEP 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC WinCC和Siemens SIMATIC STEP都是德国西门子（Siemens）公司的产品。Siemens SIMATIC WinCC是一套自动化的数据采集与监控（SCADA）系统。Siemens SIMATIC STEP是用于配置和编程 SIMATIC 控制器的综合工程工具。 Siemens SIMATIC WinCC和Siemens SIMATIC STEP存在代码问题漏洞，该漏洞源于受影响的产品在解析日志文件时未正确清理用户可控制的输入。攻击者利用该漏洞可以造成类
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 S7-PLCSIM V16 0 ~ * -
Siemens SIMATIC S7-PLCSIM V17 0 ~ * -
Siemens SIMATIC STEP 7 Safety V16 0 ~ * -
Siemens SIMATIC STEP 7 Safety V17 0 ~ V17 Update 9 -
Siemens SIMATIC STEP 7 Safety V18 0 ~ * -
Siemens SIMATIC STEP 7 Safety V19 0 ~ V19 Update 4 -
Siemens SIMATIC STEP 7 V16 0 ~ * -
Siemens SIMATIC STEP 7 V17 0 ~ V17 Update 9 -
Siemens SIMATIC STEP 7 V18 0 ~ * -
Siemens SIMATIC STEP 7 V19 0 ~ V19 Update 4 -
Siemens SIMATIC WinCC Unified V16 0 ~ * -
Siemens SIMATIC WinCC Unified V17 0 ~ V17 Update 9 -
Siemens SIMATIC WinCC Unified V18 0 ~ * -
Siemens SIMATIC WinCC Unified V19 0 ~ V19 Update 4 -
Siemens SIMATIC WinCC V16 0 ~ * -
Siemens SIMATIC WinCC V17 0 ~ V17 Update 9 -
Siemens SIMATIC WinCC V18 0 ~ * -
Siemens SIMATIC WinCC V19 0 ~ V19 Update 4 -
Siemens SIMOCODE ES V16 0 ~ * -
Siemens SIMOCODE ES V17 0 ~ * -
Siemens SIMOCODE ES V18 0 ~ * -
Siemens SIMOCODE ES V19 0 ~ * -
Siemens SIMOTION SCOUT TIA V5.4 0 ~ * -
Siemens SIMOTION SCOUT TIA V5.5 0 ~ * -
Siemens SIMOTION SCOUT TIA V5.6 0 ~ V5.6 SP1 HF7 -
Siemens SINAMICS Startdrive V16 0 ~ * -
Siemens SINAMICS Startdrive V17 0 ~ * -
Siemens SINAMICS Startdrive V18 0 ~ * -
Siemens SINAMICS Startdrive V19 0 ~ * -
Siemens SIRIUS Safety ES V17 (TIA Portal) 0 ~ * -

II. Public POCs for CVE-2024-49849

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III. Intelligence Information for CVE-2024-49849

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Vendor Advisories for CVE-2024-49849 (1)

Same Patch Batch · Siemens · 2024-12-10 · 12 CVEs total

CVE-2020-28398 8.8 HIGH Siemens RUGGEDCOM 安全漏洞
CVE-2024-54095 7.8 HIGH Siemens Solid Edge 数字错误漏洞
CVE-2024-54094 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2024-54093 7.8 HIGH Siemens Solid Edge 安全漏洞
CVE-2024-54091 7.8 HIGH Siemens Parasolid 缓冲区错误漏洞
CVE-2024-53242 7.8 HIGH Siemens Teamcenter Visualization和Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞
CVE-2024-53041 7.8 HIGH Siemens Teamcenter Visualization和Siemens Tecnomatix Plant Simulation 安全漏洞
CVE-2024-52051 7.3 HIGH Siemens SIMATIC WinCC和Siemens SIMATIC STEP 输入验证错误漏洞
CVE-2024-49704 5.5 MEDIUM Siemens Comos 代码问题漏洞
CVE-2024-54005 5.1 MEDIUM Siemens Comos 代码问题漏洞
CVE-2024-53832 4.6 MEDIUM Siemens CPCI85 Central Processing 安全漏洞

IV. Related Vulnerabilities

Same product: SIMATIC S7-PLCSIM V16
Same vendor: Siemens
Same weakness: CWE-502

V. Comments for CVE-2024-49849

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