HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-30869

Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.

Properties

Euvd product
macOS, iOS and iPadOS
Vulnerability name
Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
First seen
2025-10-21T23:25:36+00:00
Cvss score
7.8
Epss score
0.04135
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
apple
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Apple
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (30 · showing 23)

AFFECTS_PRODUCT (27 · showing 20)

→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Access of Resource Using Incompatible Type ('Type Confusion')

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2021-30869 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal