CVE-2020-27930

ENISA EUVD: EUVD-2020-20423 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 5 articles Published: 2020-12-08
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-23
43.95%
probability
This CVE has a 43.95% probability of being exploited in the next 30 days.
0% Top 97.6th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2 (legacy)

6.8
MEDIUM
Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P

Description

VulnerabilityLookup (CNA)
A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

Affected Products

Apple
watchOS
unspecified
Apple
iOS and iPadOS
unspecified
Apple
macOS
unspecified
Apple
macOS
unspecified
Apple
macOS
unspecified

Attack Intelligence

Google Project Zero

Discovered
Oct. 26, 2020
Patched
Nov. 5, 2020
Reported by
Google Project Zero
Root Cause Analysis
https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2020/CVE-2020-27930.html

Exploits & PoC

FunPhishing/Apple-Safari-Remote-Code-Execution-CVE-2020-27930

Apple Safari Remote Code Execution

0 2021-02-07
1 repo — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 43.95%
CVSS v3.1 7.8
Mentions 5
Last Seen Apr 26, 2021

CNA Information

CNA Assigner
apple

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Triage Info

Decided atMar 05, 2026
Published DateDec 08, 2020