CVE-2020-15786
Affected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Siemens | SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) | All versions < V16 | affected |
| Siemens | SIMATIC HMI Comfort Panels (incl. SIPLUS variants) | All versions <= V16 | affected |
| Siemens | SIMATIC HMI Mobile Panels | All versions <= V16 | affected |
| Siemens | SIMATIC HMI Unified Comfort Panels | All versions <= V16 | affected |
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I. Basic Information for CVE-2020-15786
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 HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC HMI/WinCC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC HMI/WinCC是德国Siemens公司的一个工控软件。提供一个让工控设备可视化功能。 Siemens 存在安全漏洞，该漏洞源于SIMATIC HIMI，攻击者可利用该漏洞提升权限。
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 HMI Basic Panels 2nd Generation (incl. SIPLUS variants) | All versions < V16 | - | |
| Siemens | SIMATIC HMI Comfort Panels (incl. SIPLUS variants) | All versions <= V16 | - | |
| Siemens | SIMATIC HMI Mobile Panels | All versions <= V16 | - | |
| Siemens | SIMATIC HMI Unified Comfort Panels | All versions <= V16 | - |
II. Public POCs for CVE-2020-15786
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2020-15786 (1)
- https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdfx_refsource_MISC
Same Patch Batch · Siemens · 2020-09-09 · 3 CVEs total
| CVE-2020-15787 | Siemens Simatic Hmi 授权问题漏洞 | |
| CVE-2020-15791 | Siemens SIMATIC 安全漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-307
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dataCycle No Brute-Force Protection On Web And API Login End - CVE-2026-62220
OpenClaw 2026.2.25 < 2026.5.26 WebSocket Rate Limit Bypass - CVE-2026-44596
Yamcs: No Rate Limiting on Authentication Endpoint - CVE-2026-14254
Improper Restriction of Excessive Authentication Attempts in
V. Comments for CVE-2020-15786
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