CVE-2020-9859

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.008 · 57 %ileEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

0.83% (57th) EPSS

CVSS 7.2 · high

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-23

Apple Multiple Products Code Execution Vulnerability

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-415USprimaryCWE-400US

affected products (14)

Products and version ranges known to be affected.

Apple IOSunspecified → iOS 13.5.1 and iPadOS 13.5.1enisa_euvdEU
Apple macOSunspecified → macOS Catalina 10.15.5 Supplemental Updateenisa_euvdEU
Apple tvOSunspecified → tvOS 13.4.6enisa_euvdEU
Apple watchOSunspecified → watchOS 6.2.6enisa_euvdEU
Apple Inc. MacOS≤ 10.15.5fstec_bduRU
Apple Inc. iOS≤ 13.5.1fstec_bduRU
Apple Inc. iPadOS≤ 13.5.1fstec_bduRU
Apple Inc. tvOS≤ 13.4.6fstec_bduRU
Apple Inc. watchOS≤ 6.2.6fstec_bduRU
apple ipados< 13.5.1nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 13.5.1nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple mac os x< 10.15.5nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple tvos< 13.4.6nvdUScpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos< 6.2.6nvdUScpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-06-05modified 2026-06-17

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+1197 more

references (13)

External citations — patches, advisories, analysis.

scry

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