CVE-2021-25669
Quick assessment
Affected
Siemens SCALANCE X200-4P IRT
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 Web Server是德国西门子（Siemens）公司的一个web服务器。 Siemens Web Server存在缓冲区错误漏洞，该漏洞源于web服务器对POST请求的不正确处理可能会使栈写入越界。攻击者可利用该漏洞导致拒绝服务或远程执行代码。以下产品或版本受到影响：SCALANCE X200-4P IRT、SCALANCE X201-3P IRT、SCALANCE X201-3P IRT PRO、SCALANCE X202-2 IRT、SCALANCE X202-2P IRT、SCAL
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25669
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT (All versions < 5.5.1), SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All versions < 5.5.1), SCALANCE X202-2P IRT PRO (All versions < 5.5.1), SCALANCE X204 IRT (All versions < 5.5.1), SCALANCE X204 IRT PRO (All versions < 5.5.1), SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2FM (All versions < V5.2.5), SCALANCE X204-2LD (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2LD TS (All versions < V5.2.5), SCALANCE X204-2TS (All versions < V5.2.5), SCALANCE X206-1 (All versions < V5.2.5), SCALANCE X206-1LD (All versions < V5.2.5), SCALANCE X208 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X208PRO (All versions < V5.2.5), SCALANCE X212-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X212-2LD (All versions < V5.2.5), SCALANCE X216 (All versions < V5.2.5), SCALANCE X224 (All versions < V5.2.5), SCALANCE XF201-3P IRT (All versions < 5.5.1), SCALANCE XF202-2P IRT (All versions < 5.5.1), SCALANCE XF204 (All versions < V5.2.5), SCALANCE XF204 IRT (All versions < 5.5.1), SCALANCE XF204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE XF204-2BA IRT (All versions < 5.5.1), SCALANCE XF206-1 (All versions < V5.2.5), SCALANCE XF208 (All versions < V5.2.5). Incorrect processing of POST requests in the web server may write out of bounds in stack. An attacker might leverage this to denial-of-service of the device or remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Web Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Web Server是德国西门子（Siemens）公司的一个web服务器。 Siemens Web Server存在缓冲区错误漏洞，该漏洞源于web服务器对POST请求的不正确处理可能会使栈写入越界。攻击者可利用该漏洞导致拒绝服务或远程执行代码。以下产品或版本受到影响：SCALANCE X200-4P IRT、SCALANCE X201-3P IRT、SCALANCE X201-3P IRT PRO、SCALANCE X202-2 IRT、SCALANCE X202-2P IRT、SCAL
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
II. Public POCs for CVE-2021-25669
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-25669 (1)
-
https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf x_refsource_MISC
Same Patch Batch · Siemens · 2021-04-22 · 19 CVEs total
| CVE-2020-25244 | 8.4 HIGH | Siemens LOGO! Soft Comfort 代码问题漏洞 |
| CVE-2020-27009 | 8.1 HIGH | 多款Siemens产品 缓冲区错误漏洞 |
| CVE-2020-15795 | 8.1 HIGH | 多款siemens产品 缓冲区错误漏洞 |
| CVE-2021-25664 | 7.5 HIGH | Siemens Nucleus 安全漏洞 |
| CVE-2021-25663 | 7.5 HIGH | Siemens Nucleus 安全漏洞 |
| CVE-2020-27737 | 6.5 MEDIUM | 多款siemens产品 缓冲区错误漏洞 |
| CVE-2020-27736 | 6.5 MEDIUM | 多款siemens产品 缓冲区错误漏洞 |
| CVE-2020-27738 | 6.5 MEDIUM | 多款siemens产品 缓冲区错误漏洞 |
| CVE-2021-25677 | 5.3 MEDIUM | 多款Siemens产品 安全特征问题漏洞 |
| CVE-2020-25243 | 5.1 MEDIUM | Siemens LOGO! Soft Comfort 路径遍历漏洞 |
| CVE-2021-27393 | Nucleus ReadyStart安全特征问题漏洞 | |
| CVE-2021-27392 | Siemens Open Network Bridge 信任管理问题漏洞 | |
| CVE-2021-25668 | Siemens Web Server缓冲区错误漏洞 | |
| CVE-2021-27389 | Siemens Digital Industries Software Opcenter Quality 安全漏洞 | |
| CVE-2021-27382 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2020-26997 | Siemens Solid Edge 安全漏洞 | |
| CVE-2021-25678 | Siemens Solid Edge 缓冲区错误漏洞 | |
| CVE-2021-25670 | siemens Tecnomatix RobotExpert 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-25669
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