Home/CVE/Predictable Seed in Pseudo-Random Number Generator (PRNG) in the firmware for some Intel(R) TDX may allow an authenticat
CVE

CVE-2025-20613

Predictable Seed in Pseudo-Random Number Generator (PRNG) in the firmware for some Intel(R) TDX may allow an authenticat

Predictable Seed in Pseudo-Random Number Generator (PRNG) in the firmware for some Intel(R) TDX may allow an authenticated user to potentially enable information disclosure via local access.

LOW · CVSS 3.3 EPSS 0.00028
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-337Predictable Seed in Pseudo-Random Number Generator (PRNG)
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Scoring & Timeline

3.3
LOW · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html
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