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cve[email protected]CVE-2021-25415
HistoryJun 11, 2021 - 3:15 p.m.

CVE-2021-25415

2021-06-1115:15:10
CWE-94
CWE-20
web.nvd.nist.gov
15
2
cve-2021-25415
el1 compromise
local attackers
memory remapping
nvd
security vulnerability

2.1 Low

CVSS2

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

5.5 Medium

CVSS3

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

5.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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-
OR
samsungexynos_9810Match-
OR
samsungexynos_9820Match-
OR
samsungexynos_9830Match-
AND
googleandroidMatch10.0
OR
googleandroidMatch11.0

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"
      }
    ]
  }
]

Social References

More

2.1 Low

CVSS2

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

5.5 Medium

CVSS3

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

5.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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