CVE-2025-20034

Name: CVE-2025-20034
Creator: NVD / NIST
Published: 2025-05-13T21:16:04.477+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.6/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2025-20034 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. Improper input validation in the BackupBiosUpdate UEFI firmware SmiVariable driver for the Intel(R) Server D50DNP and M50FCP boards before version R01.02.0003 may allow a privileged user to potentially enable information disclosure via local access.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

Improper input validation in the BackupBiosUpdate UEFI firmware SmiVariable driver for the Intel(R) Server D50DNP and M50FCP boards before version R01.02.0003 may allow a privileged user to potentially enable information disclosure via local access.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CVSS 4.0

5.6/10

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.14%

3.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01269.html

Timeline

Published: May 13, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-20034?

How severe is CVE-2025-20034?

CVE-2025-20034 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20034?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20034?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST