7

CVE-2025-3770: tianocore edk2 Protection Mechanism Failure

CVSS: 7.0v3.1HighDeferred
AliasesUBUNTU-CVE-2025-3770DEBIAN-CVE-2025-3770
Published 07-08-2025Last modified 07-08-2025
Open JSON

Vulnerability summary

CVE-2025-3770 is a high (CVSS 7.0) Protection Mechanism Failure vulnerability in tianocore edk2. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-7894-1

Timeline

  1. 07-08-2025
    PublishedVulnerability first disclosed.
  2. 07-08-2025
    Last modifiedVulnerability information updated.

Description

EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, and Availability.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • edk2All versions (No fix recorded) | < 2025.02-8+deb13u1 | < 2025.02-9
Tianocore1 product
  • edk2≤ edk2-stable202505
Ubuntu1 product
  • edk2All versions (No fix recorded) | < 2022.02-3ubuntu0.22.04.4 | < 2024.02-2ubuntu0.6 | < 2025.02-8ubuntu3

3 vendors · 3 products

References

6 links