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cve[email protected]CVE-2021-25339
HistoryMar 04, 2021 - 9:15 p.m.

CVE-2021-25339

2021-03-0421:15:13
CWE-20
web.nvd.nist.gov
31
2
cve-2021-25339
improper address validation
harx
samsung
smr
el2 memory
nvd

2.1 Low

CVSS2

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

5.2 Medium

CVSS3

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.8%

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
OR
googleandroidMatch11.0

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"
      }
    ]
  }
]

Social References

More

2.1 Low

CVSS2

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

5.2 Medium

CVSS3

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

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.8%

Related for CVE-2021-25339