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Samsung MobileCVE-2021-25339

HistoryMar 04, 2021 - 9:15 p.m.

CVE-2021-25339

2021-03-0421:15:13

CWE-20

Samsung Mobile

web.nvd.nist.gov

cve-2021-25339

improper address validation

harx

samsung

smr

el2 memory

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.2

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

20.6%

JSON

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.

Affected configurations

Nvd

Node

samsungexynos_9830Match-

AND

googleandroidMatch10.0

googleandroidMatch11.0

VendorProductVersionCPE
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_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": "SMR Mar-2021 Release 1",
        "status": "affected",
        "version": "Selected Q(10.0), R(11.0)",
        "versionType": "custom"
      }
    ]
  }
]

References

security.samsungmobile.com

security.samsungmobile.com/securityUpdate.smsb

Social References

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.2

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

20.6%

JSON

Related for CVE-2021-25339