CVE-2021-25662
Affected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Siemens | SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) | All versions < V15.1 Update 6 | affected |
| Siemens | SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) | All versions < V16 Update 4 | affected |
| Siemens | SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) | All versions < V15.1 Update 6 | affected |
| Siemens | SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) | All versions < V16 Update 4 | affected |
| Siemens | SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F | All versions < V15.1 Update 6 | affected |
| Siemens | SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F | All versions < V16 Update 4 | affected |
| Siemens | SIMATIC WinCC Runtime Advanced V15 | All versions < V15.1 Update 6 | affected |
| Siemens | SIMATIC WinCC Runtime Advanced V16 | All versions < V16 Update 4 | affected |
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I. Basic Information for CVE-2021-25662
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 Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SIMATIC WinCC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC WinCC是德国西门子（Siemens）公司的一套自动化的数据采集与监控（SCADA）系统。 SIMATIC WinCC存在安全漏洞。该漏洞源于程序将无法正确处理异常，这可能会导致拒绝服务的情况。
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 Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) | All versions < V15.1 Update 6 | - | |
| Siemens | SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) | All versions < V16 Update 4 | - | |
| Siemens | SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) | All versions < V15.1 Update 6 | - | |
| Siemens | SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) | All versions < V16 Update 4 | - | |
| Siemens | SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F | All versions < V15.1 Update 6 | - | |
| Siemens | SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F | All versions < V16 Update 4 | - | |
| Siemens | SIMATIC WinCC Runtime Advanced V15 | All versions < V15.1 Update 6 | - | |
| Siemens | SIMATIC WinCC Runtime Advanced V16 | All versions < V16 Update 4 | - |
II. Public POCs for CVE-2021-25662
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2021-25662 (2)
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdfx_refsource_MISC
Same Patch Batch · Siemens · 2021-05-12 · 13 CVEs total
| CVE-2021-27385 | Siemens SmartVNC 资源管理错误漏洞 | |
| CVE-2021-27386 | Siemens SIMATIC WinCC 缓冲区错误漏洞 | |
| CVE-2021-27396 | Siemens Tecnomatix Plant Simulation 安全漏洞 | |
| CVE-2021-27397 | Siemens Tecnomatix Plant Simulation 缓冲区错误漏洞 | |
| CVE-2021-27398 | siemens Tecnomatix RobotExpert 安全漏洞 | |
| CVE-2021-31339 | Siemens Mendix 安全漏洞 | |
| CVE-2020-25242 | 多款 Siemens 设备资源管理错误漏洞 | |
| CVE-2021-25660 | Siemens SIMATIC WinCC 缓冲区错误漏洞 | |
| CVE-2021-25661 | Siemens SIMATIC WinCC 安全漏洞 | |
| CVE-2021-27383 | Siemens SmartVNC 缓冲区错误漏洞 | |
| CVE-2021-27384 | Siemens SIMATIC WinCC 安全漏洞 | |
| CVE-2019-19276 | 多款 Siemens 设备缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-755
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epmd permanent DoS via EMFILE on accept(2) in erts - CVE-2026-48036
Hulumi: Drift classifier fails open on adapter errors and ov - CVE-2026-16730
Dbus-broker: dbus-broker: session bus denial of service via - CVE-2026-44505
Nimiq network-libp2p: Untrusted peer can wedge DHT
V. Comments for CVE-2021-25662
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