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cve[email protected]CVE-2021-30770
HistorySep 08, 2021 - 2:15 p.m.

CVE-2021-30770

2021-09-0814:15:10
CWE-287
web.nvd.nist.gov
51
cve-2021-30770
security
validation
ios
tvos
watchos
kernel
memory mitigations

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

6

Confidence

High

EPSS

0.001

Percentile

17.1%

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Affected configurations

Vulners
NVD
Node
iphone_osRange<14.7
OR
tvosRange<14.7
OR
watchosRange<7.6
VendorProductVersionCPE
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "iOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.7",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "tvOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.7",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "watchOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "7.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

6

Confidence

High

EPSS

0.001

Percentile

17.1%

Related for CVE-2021-30770