Vulnerability DatabaseCVE-2021-27097
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CVE-2021-27097
Published:February 17, 2021
Updated:May 17, 2026
The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.
Related Resources (7)
https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b
https://security.alpinelinux.org/vuln/CVE-2021-27097
https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01
https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-27097
https://security-tracker.debian.org/tracker/CVE-2021-27097
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Complexity
LOW
Attack Vector
LOCAL
Availability
HIGH
Confidentiality
HIGH
Integrity
HIGH
Privileges Required
NONE
Scope
UNCHANGED
User Interaction
REQUIRED
EPSS
Base Score:
0.05