CVE-2021-27097 - Vulnerability Details - OpenCVE

The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00056.

Key SSVC decision points have not yet been added.

Vendors	Products
Denx Subscribe	U-boot Subscribe

Configuration 1 [-]

OR	cpe:2.3:a:denx:u-boot::::::::
	cpe:2.3:a:denx:u-boot:2021.04:rc1::::::

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-4320-1	u-boot security update
EUVD	EUVD-2021-13868	The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01
https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html

History

Mon, 03 Nov 2025 19:30:00 +0000

Type	Values Removed	Values Added
References		https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-17T22:36:30.000Z

Updated: 2025-11-03T18:07:58.736Z

Reserved: 2021-02-10T00:00:00.000Z

Link: CVE-2021-27097

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-17T23:15:13.653

Modified: 2025-11-03T19:15:40.060

Link: CVE-2021-27097

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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