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AppleCVE-2021-1870

HistoryApr 02, 2021 - 7:15 p.m.

CVE-2021-1870

2021-04-0219:15:20

apple

web.nvd.nist.gov

1108

In Wild

cve-2021-1870

logic issue

macos big sur

ios 14.4

ipados 14.4

security update

arbitrary code execution

apple

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.017

Percentile

87.9%

JSON

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited…

Affected configurations

Nvd

Vulners

Node

appleipad_osRange<14.4

appleiphone_osRange<14.4

applemac_os_xRange10.15–10.15.7

applemac_os_xMatch10.15.7-

applemac_os_xMatch10.15.7security_update_2020-001

applemac_os_xMatch10.15.7supplemental_update

applemacosRange11.0.1–11.2

Node

webkitgtkwebkitgtkRange<2.30.6

Node

fedoraprojectfedoraMatch32

fedoraprojectfedoraMatch33

VendorProductVersionCPE
appleipad_os*cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
applemac_os_x*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
applemac_os_x10.15.7cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
webkitgtkwebkitgtk*cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	ipad_os	*	cpe:2.3:o:apple:ipad_os::::::::
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	mac_os_x	*	cpe:2.3:o:apple:mac_os_x::::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:-::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001::::::
apple	mac_os_x	10.15.7	cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::
webkitgtk	webkitgtk	*	cpe:2.3:a:webkitgtk:webkitgtk::::::::
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*

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"
      }
    ]
  }
]