CVE-2021-27138

View on CVE.org

Published Feb 17, 2021 CVSS 3.1 · 7.8 High EPSS 1.1% KEV · Not listed

Description

The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-4320-1	u-boot security update
EUVD	EUVD-2021-13905	The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.

Metrics

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.

Exploit prediction score: 1.1% (1.118% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/u-boot/u-boot/commit/3f04db891a353f4b127ed57279279f851c6b4917
https://github.com/u-boot/u-boot/commit/79af75f7776fc20b0d7eb6afe1e27c00fdb4b9b4
https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0
https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html

History

Nov 3, 2025 7:30 PM Added references View changes

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

Subscriptions

Denx U-boot

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Nov 3, 2025, 6:07 PM

Status: PUBLISHED
Assigner: mitre
Published: Feb 17, 2021, 10:36 PM
Updated: Nov 3, 2025, 6:07 PM
Reserved: Feb 10, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:44 AM

Status: Modified
Published: Feb 17, 2021, 11:15 PM
Modified: Jun 17, 2026, 3:44 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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