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

CVE-2020-27930

Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.

Properties

Euvd product
macOS, watchOS, iOS and iPadOS
Vulnerability name
Apple Multiple Products Memory Corruption Vulnerability
First seen
2025-10-21T23:35:31+00:00
Cvss score
7.8
Epss score
0.22009
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
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 (8)

AFFECTS_PRODUCT (5)

→[Product]cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Apple Multiple Products Memory Corruption Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2020-27930 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal