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I. Basic Information for CVE-2021-42029
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SIMATIC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC是西门子（Siemens）的一款组态软件。 Siemens SIMATIC STEP 7 (TIA Portal)存在安全漏洞，该漏洞源于在下载过程中对 Web 服务器的用户管理配置的错误处理。攻击者可以在某些设备的Web服务器上利用该漏洞实现权限提升。
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
VendorProductAffected VersionsCPESubscribe
SiemensSIMATIC STEP 7 (TIA Portal) V15 All versions -
SiemensSIMATIC STEP 7 (TIA Portal) V16 All versions < V16 Update 5 -
SiemensSIMATIC STEP 7 (TIA Portal) V17 All versions < V17 Update 2 -
II. Public POCs for CVE-2021-42029
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III. Intelligence Information for CVE-2021-42029
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IV. Related Vulnerabilities
Same vendor: Siemens
Same weakness: CWE-284
V. Comments for CVE-2021-42029

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