DeutschShown in its original language — a full translation is planned for a future version.
Insyde UEFI Firmware und Cisco UCS (UEFI Shell Secure Boot): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
view advisory published 2026-09-08
Ein Angreifer kann eine Schwachstelle in Insyde UEFI Firmware und Cisco Unified Computing System (UCS) ausnutzen, um den UEFI-Secure-Boot zu umgehen, die Pre-Boot-Umgebung zu manipulieren und beliebigen Code auszuführen.
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describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-6485US | —OT elevated | — | ||
UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts. | ||||
| CVE-2026-20293US | high7.1 | — | ||
A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with va… | ||||
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references
External citations — patches, advisories, analysis.
- Cisco Security Advisory cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW vom 2026-09-08external
- WID-SEC-W-2026-3240 - CSAF Versionself
- WID-SEC-2026-3240 - Portal Versionself
- Dell Security Advisory DSA-2026-281 vom 2026-09-09external
- Insyde Security Advisory INSYDE-SA-2026004 vom 2026-09-09external
- CERT/CC-VN:VU#718077 vom 2026-09-08external
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