CVE-2021-25338

Severity Score

5.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region.

El control de acceso a la memoria inadecuado en RKP en los dispositivos móviles Samsung anteriores a SMR Mar-2021 Release 1, permite a un atacante, dado un kernel comprometido, escribir determinada parte de la región de memoria EL2 de RKP

*Credits: N/A

CVSS Scores

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Attack Vector

Physical

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-19 CVE Reserved
2021-03-04 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.samsungmobile.com	2022-10-25
https://security.samsungmobile.com/securityUpdate.smsb	2022-10-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"	Android Search vendor "Google" for product "Android"	10.0 Search vendor "Google" for product "Android" and version "10.0"	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 9830 Search vendor "Samsung" for product "Exynos 9830"	-	-	Safe
Google Search vendor "Google"	Android Search vendor "Google" for product "Android"	11.0 Search vendor "Google" for product "Android" and version "11.0"	-	Affected	in	Samsung Search vendor "Samsung"	Exynos 9830 Search vendor "Samsung" for product "Exynos 9830"	-	-	Safe