CVE-2021-31337
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I. Basic Information for CVE-2021-31337
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SINAMICS SL150 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SINAMICS SL150是德国西门子（Siemens）公司的一个应用程序。用于高转矩慢速同步和感应电动机的循环变频器。 多款Siemens设备存在访问控制错误漏洞。该漏洞源于系统组件的Telnet服务不需要身份验证，如果启用了该服务，则它可能允许远程攻击者访问设备。以下产品及版本受到影响：SINAMICS SL150、SINAMICS SM150、SINAMICS SM150i。
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 |
|---|---|---|---|---|
| - | SINAMICS Medium Voltage Products | SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions | - |
II. Public POCs for CVE-2021-31337
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-31337
Same Patch Batch · n/a · 2021-06-28 · 29 CVEs total
| CVE-2021-29157 | 7.5 HIGH | Dovecot 路径遍历漏洞 |
| CVE-2021-23399 | 7.3 HIGH | Arbitrary Command Injection |
| CVE-2020-28200 | 4.3 MEDIUM | Dovecot 资源管理错误漏洞 |
| CVE-2021-35523 | Securepoint SSL VPN Client 访问控制错误漏洞 | |
| CVE-2020-21142 | IPFire 跨站脚本漏洞 | |
| CVE-2021-35298 | Zammad 跨站脚本漏洞 | |
| CVE-2021-35299 | Zammad 日志信息泄露漏洞 | |
| CVE-2021-35300 | Zammad 注入漏洞 | |
| CVE-2021-35301 | Zammad 安全漏洞 | |
| CVE-2021-35302 | Zammad 安全漏洞 | |
| CVE-2021-35303 | Zammad 跨站脚本漏洞 | |
| CVE-2020-22609 | Enhancesoft osTicket 跨站脚本漏洞 | |
| CVE-2020-22608 | Enhancesoft osTicket 跨站脚本漏洞 | |
| CVE-2020-22607 | LimeSurvey 跨站脚本漏洞 | |
| CVE-2021-35525 | Roehling PostSRSd 安全漏洞 | |
| CVE-2020-20640 | ECShop 跨站脚本漏洞 | |
| CVE-2020-23715 | WebPort 路径遍历漏洞 | |
| CVE-2020-23711 | NavigateCMS SQL注入漏洞 | |
| CVE-2021-34187 | Chamilo LMS SQL注入漏洞 | |
| CVE-2021-34254 | Umbraco 输入验证错误漏洞 |
Showing top 20 of 29 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same weakness: CWE-306
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UGREEN CM933 Administrative missing authentication - CVE-2026-42302
FastGPT: Unauthenticated Remote Code Execution (RCE) via cod
V. Comments for CVE-2021-31337
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