CVE-2021-27381
Quick assessment
Affected
Siemens Solid Edge SE2020
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 Solid Edge是德国Siemens公司的一款三维CAD软件。该软件可用于零件设计、装配设计、钣金设计、焊接设计等行业。 Siemens Solid Edge 存在缓冲区错误漏洞，该漏洞源于受影响的应用程序在分析PAR文件时缺少对用户提供的数据的正确验证。这可能会导致越界读取超出分配的结构的末尾。攻击者可以利用此漏洞在当前进程的上下文中执行代码。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2021-27381
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Solid Edge SE2020 (All Versions < SE2020MP13), Solid Edge SE2021 (All Versions < SE2021MP3). Affected applications lack proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds read past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12534)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Solid Edge 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Solid Edge是德国Siemens公司的一款三维CAD软件。该软件可用于零件设计、装配设计、钣金设计、焊接设计等行业。 Siemens Solid Edge 存在缓冲区错误漏洞，该漏洞源于受影响的应用程序在分析PAR文件时缺少对用户提供的数据的正确验证。这可能会导致越界读取超出分配的结构的末尾。攻击者可以利用此漏洞在当前进程的上下文中执行代码。
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 | Solid Edge SE2020 | All Versions < SE2020MP13 | - |
|
| Siemens | Solid Edge SE2021 | All Versions < SE2021MP3 | - |
|
II. Public POCs for CVE-2021-27381
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-27381 (1)
-
https://cert-portal.siemens.com/productcert/pdf/ssa-715184.pdf x_refsource_MISC
Same Patch Batch · Siemens · 2021-03-15 · 14 CVEs total
| CVE-2020-25236 | 5.5 MEDIUM | Siemens LOGO! 8 BM 安全漏洞 |
| CVE-2021-25667 | Siemens RUGGEDCOM RM1224 缓冲区错误漏洞 | |
| CVE-2021-25672 | 西门子 Mendix 安全漏洞 | |
| CVE-2021-25673 | Siemens SIMATIC 安全漏洞 | |
| CVE-2021-25674 | Siemens SIMATIC 代码问题漏洞 | |
| CVE-2021-25675 | Siemens SIMATIC 数字错误漏洞 | |
| CVE-2021-25676 | Siemens RUGGEDCOM 安全漏洞 | |
| CVE-2021-27380 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2020-25239 | Siemens SINEMA Remote Connect Server 安全漏洞 | |
| CVE-2020-25240 | Siemens SINEMA Remote Connect Server 安全漏洞 | |
| CVE-2020-25241 | Siemens SIMATIC MV400 安全漏洞 | |
| CVE-2020-28385 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2020-28387 | Siemens Solid Edge 代码问题漏洞 |
IV. Related Vulnerabilities
Same vendor: Siemens
Same weakness: CWE-125
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V. Comments for CVE-2021-27381
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