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AppleCVE-2021-1826

HistorySep 08, 2021 - 3:15 p.m.

CVE-2021-1826

2021-09-0815:15:10

CWE-79

apple

web.nvd.nist.gov

139

cve-2021-1826

macos big sur

ios 14.5

ipados 14.5

watchos 7.4

tvos 14.5

universal cross site scripting

nvd

security issue

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

48.6%

JSON

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Affected configurations

Nvd

Vulners

Node

appleipadosRange<14.5

appleiphone_osRange<14.5

applemacosRange11.0–11.3

appletvosRange<14.5

applewatchosRange<7.4

VendorProductVersionCPE
appleipados*cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
appletvos*cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
applewatchos*cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	ipados	*	cpe:2.3:o:apple:ipados::::::::
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
apple	tvos	*	cpe:2.3:o:apple:tvos::::::::
apple	watchos	*	cpe:2.3:o:apple:watchos::::::::

CNA Affected

[
  {
    "product": "iOS and iPadOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "tvOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "14.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "watchOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "7.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "macOS",
    "vendor": "Apple",
    "versions": [
      {
        "lessThan": "11.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]