Vulnerability in Intel(r) Tdx

CVE-2025-20613

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-20613: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • Intel(r) Tdx — versions See references

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20613?
CVE-2025-20613 is a low-severity vulnerability in Intel(r) Tdx, classified under CWE-337. CVSS score: 3.3/10. Published 2025-08-12.
How severe is CVE-2025-20613?
Low severity. CVSS v3 base score is 3.3 out of 10.