CVE-2021-25339

CVSS V2 Low 2.1 CVSS V3 Medium 5.2

Description

Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.

Overview

CVE ID
CVE-2021-25339

Assigner
mobile.security@samsung.com

Vulnerability Status
Analyzed

Published Version
2021-03-04T21:15:13

Last Modified Date
2021-03-11T17:48:41

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:google:android:10.0:::::::*	1	OR
cpe:2.3:o:google:android:11.0:::::::*	1	OR
cpe:2.3:h:samsung:exynos_9830:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Attack Vector
PHYSICAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
LOW

Base Score
5.2

Base Severity
MEDIUM

Exploitability Score
0.9

Impact Score
4.2

References

Reference URL	Reference Tags
https://security.samsungmobile.com/securityUpdate.smsb	Vendor Advisory
https://security.samsungmobile.com	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-25339
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25339

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:20:15				Added to TrackCVE
2022-12-05 23:09:02	2021-03-04T21:15Z	2021-03-04T21:15:13	CVE Published Date	updated
2022-12-05 23:09:02		2021-03-11T17:48:41	CVE Modified Date	updated
2022-12-05 23:09:02		Analyzed	Vulnerability Status	updated