Vulnerability in Intel(r) Reference Server Platforms

CVE-2025-20077

Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% 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-2025-20077: 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) Reference Server Platforms — versions See references

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20077?
CVE-2025-20077 is a medium-severity vulnerability in Intel(r) Reference Server Platforms, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2025-08-12.
How severe is CVE-2025-20077?
Medium severity. CVSS v3 base score is 5.3 out of 10.