Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-25415

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
11/06/2021
Last modified:
16/06/2021

Description

Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to remap EL2 memory as writable.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_9610:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_9810:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:*
cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools