Description
An issue was discovered in Schneider Electric Magelis HMI Magelis GTO Advanced Optimum Panels, all versions, Magelis GTU Universal Panel, all versions, Magelis STO5xx and STU Small panels, all versions, Magelis XBT GH Advanced Hand-held Panels, all versions, Magelis XBT GK Advanced Touchscreen Panels with Keyboard, all versions, Magelis XBT GT Advanced Touchscreen Panels, all versions, and Magelis XBT GTW Advanced Open Touchscreen Panels (Windows XPe). An attacker can open multiple connections to a targeted web server and keep connections open preventing new connections from being made, rendering the web server unavailable during an attack.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Schneider Electric Magelis HMI | Schneider Electric Magelis HMI | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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0xICF/PanelShock ★ 2 · Nov 4, 2016
Schneider Electric Magelis HMI Resource Consumption Vulnerabilities [ICSA-16-308-02, CVE-2016-8367, CVE-2016-8374]
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- ICSA-16-308-02B Schneider Electric Magelis HMI Resource Consumption Vulnerabilities (Update B) CISA ICS & IT advisories · Jun 5, 2025