CVE-2020-9934

lowpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.032 · 88 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 2 exploits · functional

Likely / severe?

3.21% (88th) EPSS

CVSS 2.1 · low

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-09-08remediate by 2022-09-29

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Apple iOS, iPadOS, and macOS Input Validation Vulnerability

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

cvss

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

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.13.3lowAV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 1.8 · impact 3.6

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200US

exploits (2)

Public proof-of-concept and weaponised exploit code.

post/osx/escalate/tccbypassBypass the macOS TCC Frameworkfunctional · metasploit
mattshockl/CVE-2020-9934CVE-2020–9934 POCPoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

Apple IOSunspecified → iOS 13.6 and iPadOS 13.6enisa_euvdEU
Apple macOSunspecified → macOS Catalina 10.15.6enisa_euvdEU
Apple Inc. MacOS≤ 10.15.5fstec_bduRU
apple ipados< 13.6nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 13.6nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple mac os x< 10.15.6nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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 2020-10-16modified 2026-06-17

references (15)

External citations — patches, advisories, analysis.

scry

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