CVE-2021-25479 - Vulnerability Details - OpenCVE

Description

A possible heap-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

Published: 2021-10-06

Score: 7.2 High

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), R(11.0)`	affected	< SMR Oct-2021 Release 1

Configuration 1 [-]

AND

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:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*

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-2021-12375	A possible heap-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00551.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

History

No history.

Subscriptions

Google Android

Samsung Exynos

MITRE

Status: PUBLISHED

Assigner: Samsung Mobile

Published: 2021-10-06T17:09:19.000Z

Updated: 2024-08-03T20:03:05.748Z

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

Link: CVE-2021-25479

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-06T18:15:09.160

Modified: 2026-06-17T03:42:09.633

Link: CVE-2021-25479

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-122
Heap-based Buffer Overflow
CWE-787
Out-of-bounds Write

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