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[email protected]CVE-2021-46840

HistoryOct 14, 2022 - 4:15 p.m.

CVE-2021-46840

2022-10-1416:15:12

CWE-125

[email protected]

web.nvd.nist.gov

cve-2021-46840

hw_keymaster

out-of-bounds access

parameter set verification

vulnerability

exploitation

data construction

nvd

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.9%

JSON

The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.

Affected configurations

NVD

Node

huaweiemuiMatch11.0.1

huaweiemuiMatch12.0.0

huaweiharmonyosMatch2.0

CPENameOperatorVersion
huawei:emuihuawei emuieq11.0.1
huawei:emuihuawei emuieq12.0.0
huawei:harmonyoshuawei harmonyoseq2.0

CPE	Name	Operator	Version
huawei:emui	huawei emui	eq	11.0.1
huawei:emui	huawei emui	eq	12.0.0
huawei:harmonyos	huawei harmonyos	eq	2.0

CNA Affected

[
  {
    "vendor": "Huawei",
    "product": "HarmonyOS",
    "versions": [
      {
        "version": "2.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Huawei",
    "product": "EMUI",
    "versions": [
      {
        "version": "12.0.0",
        "status": "affected"
      },
      {
        "version": "11.0.1",
        "status": "affected"
      }
    ]
  }
]

References

consumer.huawei.com/en/support/bulletin/2022/10/

device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697

Social References

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

9.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.9%

JSON

Related for CVE-2021-46840

nvd1 prion1 cvelist1