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cve[email protected]CVE-2021-30766
HistorySep 08, 2021 - 2:15 p.m.

CVE-2021-30766

2021-09-0814:15:10
CWE-787
[email protected]
web.nvd.nist.gov
57
cve-2021-30766
macos
big sur
catalina
mojave
security update
kernel
code execution
nvd

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.4%

JSON

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Affected configurations

Vulners
NVD
Node
applemacosRange<11.5
VendorProductVersionCPE
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Security Update - Catalina",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "2021",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "2021",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Related

cvelist 1
nvd 1
prion 1
openvas 3
nessus 3
apple 3
threatpost 1
cvelist
cvelist
CVE-2021-30766
2021-09-08 13:46:50
nvd
nvd
CVE-2021-30766
2021-09-08 14:15:10
prion
prion
Input validation
2021-09-08 14:15:00
openvas
openvas
Apple Mac OS X Security Update (HT212603)
2022-09-22 00:00:00
Apple Mac OS X Security Update (HT212600)
2022-09-22 00:00:00
Apple Mac OS X Security Update (HT212602)
2022-09-22 00:00:00
nessus
nessus
macOS 10.14.x < 10.14.6 Mojave Security Update 2021-005 (HT212603)
2021-07-23 00:00:00
macOS 10.15.x < Catalina Security Update 2021-004 Catalina (HT212600)
2021-07-23 00:00:00
macOS 11.x < 11.5 (HT212602)
2021-07-23 00:00:00
apple
apple
About the security content of Security Update 2021-005 Mojave
2021-07-21 00:00:00
About the security content of Security Update 2021-004 Catalina
2021-07-21 00:00:00
About the security content of macOS Big Sur 11.5
2021-07-21 00:00:00
threatpost
threatpost
Apple Issues Urgent iPhone Updates; None for Pegasus Zero-Day
2021-07-22 16:18:25

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.4%

JSON
Related for CVE-2021-30766
cvelist1nvd1prion1openvas3nessus3apple3threatpost1