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Samsung MobileCVE-2021-25415

HistoryJun 11, 2021 - 3:15 p.m.

CVE-2021-25415

2021-06-1115:15:10

CWE-20

CWE-94

Samsung Mobile

web.nvd.nist.gov

cve-2021-25415

el1 compromise

local attackers

memory remapping

nvd

security vulnerability

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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.

Affected configurations

Nvd

Node

samsungexynos_9610Match-

samsungexynos_9810Match-

samsungexynos_9820Match-

samsungexynos_9830Match-

AND

googleandroidMatch10.0

googleandroidMatch11.0

VendorProductVersionCPE
samsungexynos_9610-cpe:2.3:h:samsung:exynos_9610:-:*:*:*:*:*:*:*
samsungexynos_9810-cpe:2.3:h:samsung:exynos_9810:-:*:*:*:*:*:*:*
samsungexynos_9820-cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:*
samsungexynos_9830-cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:*
googleandroid10.0cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
googleandroid11.0cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
samsung	exynos_9610	-	cpe:2.3:h:samsung:exynos_9610:-:::::::*
samsung	exynos_9810	-	cpe:2.3:h:samsung:exynos_9810:-:::::::*
samsung	exynos_9820	-	cpe:2.3:h:samsung:exynos_9820:-:::::::*
samsung	exynos_9830	-	cpe:2.3:h:samsung:exynos_9830:-:::::::*
google	android	10.0	cpe:2.3:o:google:android:10.0:::::::*
google	android	11.0	cpe:2.3:o:google:android:11.0:::::::*

CNA Affected

[
  {
    "product": "Samsung Mobile Devices",
    "vendor": "Samsung Mobile",
    "versions": [
      {
        "lessThan": "SMA JUN-2021 Release 1",
        "status": "affected",
        "version": "Q(10.0), R(11.0) devices with Exynos9610, 9810, 9820, 9830",
        "versionType": "custom"
      }
    ]
  }
]

References

security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6

Social References

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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