MEDIUMCVSS v3.1 5.5Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2020-27950

Apple iOS, iPadOS, macOS, and watchOS contain a memory initialization vulnerability that may allow a malicious application to disclose kernel memory.

Properties

Vulnerability name
Apple Multiple Products Memory Initialization Vulnerability
Epss score
0.1652
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Exploited euvd since
2021-11-03T00:00:00+00:00
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
5.5
Euvd base score version
3.1
Euvd vendor
Apple
In Signal since
initial import (Sep 2026)
Euvd base score
5.5
Vendor project
Apple
Content hash
1df89868cc834e4d9c9eaa3403e8b3711d3b2cddfb439585bc8eb8ba683edda6
Published at
2020-12-08T21:15:13.967
Euvd updated
2025-10-21T23:35:32+00:00
Last modified
2026-06-17T03:09:55.770
Euvd epss pct
16.52
Epss percentile
0.96976
Licence
FIRST EPSS: free to use; attribution requested in publications or products (FAQ)

Related Entities (9)

AFFECTS_PRODUCT (4)

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

MENTIONED_IN (2)

→[Campaign]Coruna: The Mysterious Journey of a Powerful iOS Exploit Kit
→[Campaign]Unnamed campaign (ID 69a7…)

DESCRIBES (1)

←[KEVEntry]Apple Multiple Products Memory Initialization Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Initialization

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2020-27950 (CVSS v3.1 5.5) — Ninja Signal Threat Intelligence | Ninja Signal