CVE-2021-25444 - Vulnerability Details - OpenCVE

Description

An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows decryption of custom keyblob with privileged process.

Published: 2021-08-05

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

Samsung Mobile

Samsung Mobile Devices

affected

Version	Status	Constraints
`O(8.1), P(9.0), Q(10.0)`	affected	< SMR AUG-2021 Release 1

Configuration 1 [-]

OR	cpe:2.3:o:google:android:8.1:::::::*
	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-12340	An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows decryption of custom keyblob with privileged process.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00757.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=8

History

No history.

Subscriptions

Google Android

MITRE

Status: PUBLISHED

Assigner: Samsung Mobile

Published: 2021-08-05T19:43:30.000Z

Updated: 2024-08-03T20:03:05.659Z

Reserved: 2021-01-19T00:00:00.000Z

Link: CVE-2021-25444

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-05T20:15:08.107

Modified: 2026-06-17T03:42:05.723

Link: CVE-2021-25444

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20
Improper Input Validation
CWE-330
Use of Insufficiently Random Values

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