Active Debug Code in CPCI85 and SICORE Base system - CVE-2026-54799
Published: July 10, 2026
Vulnerability identifier: #VU137299
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-54799
CWE-ID: CWE-489
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
CPCI85
SICORE Base system
CPCI85
SICORE Base system
Detailed vulnerability description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to active debug code in the firmware update mechanism's signature validation process. A local administrator can install malicious firmware and execute arbitrary code on the system.
How to mitigate CVE-2026-54799
Install updates from vendor's website.