Predictable Seed in Pseudo-Random Number Generator (PRNG) in Intel products - CVE-2025-20613
Published: August 15, 2025
Vulnerability identifier: #VU114113
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20613
CWE-ID: CWE-337
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise the system.
The vulnerability exists due to predictable seed in the pseudo-random number generator in the firmware. A local user can gain access to sensitive information on the target system.
Affected software
Intel 4th Generation Intel Xeon Scalable Processors
Intel 5th Generation Intel Xeon Scalable Processors
Intel Xeon 6 processor with E-cores
Intel Xeon 6 processor with P-cores
Intel Trust Domain Extensions (TDX) module
Intel 5th Generation Intel Xeon Scalable Processors
Intel Xeon 6 processor with E-cores
Intel Xeon 6 processor with P-cores
Intel Trust Domain Extensions (TDX) module
How to mitigate CVE-2025-20613
Install updates from vendor's website.
Intel Trust Domain Extensions (TDX) module - addressed in versions 1.5.16, 2.0.8