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cveAppleCVE-2021-1791
HistoryApr 02, 2021 - 6:15 p.m.

CVE-2021-1791

2021-04-0218:15:21
CWE-125
apple
web.nvd.nist.gov
65
2
cve-2021-1791
out-of-bounds read
kernel memory disclosure
macos
ios
security update
nvd

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

42.1%

JSON

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Affected configurations

Nvd
Vulners
Node
appleipadosRange<14.4
OR
appleiphone_osRange<14.4
OR
applemac_os_xRange10.14–10.14.6
OR
applemac_os_xRange10.15–10.15.7
OR
applemac_os_xMatch10.14.6-
OR
applemac_os_xMatch10.14.6security_update_2019-004
OR
applemac_os_xMatch10.14.6security_update_2019-005
OR
applemac_os_xMatch10.14.6security_update_2019-006
OR
applemac_os_xMatch10.14.6security_update_2019-007
OR
applemac_os_xMatch10.14.6security_update_2020-001
OR
applemac_os_xMatch10.14.6security_update_2020-002
OR
applemac_os_xMatch10.14.6security_update_2020-003
OR
applemac_os_xMatch10.14.6security_update_2020-004
OR
applemac_os_xMatch10.14.6security_update_2020-005
OR
applemac_os_xMatch10.14.6security_update_2020-006
OR
applemac_os_xMatch10.14.6security_update_2020-007
OR
applemac_os_xMatch10.14.6supplemental_update
OR
applemac_os_xMatch10.14.6supplemental_update_2
OR
applemac_os_xMatch10.15.7-
OR
applemac_os_xMatch10.15.7supplemental_update
OR
applemacosRange11.0–11.2
OR
appletvosRange<14.4
OR
applewatchosRange<7.3
VendorProductVersionCPE
appleipados*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
applemac_os_x10.14.6cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
Rows per page:
1-10 of 221

CNA Affected

[
  {
    "product": "iOS and iPadOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "7.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

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2021-02-03 00:00:00

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

42.1%

JSON
Related for CVE-2021-1791
prion1nvd1zdi1cvelist1openvas1apple8nessus1