CVE-2020-27943

mediumpriority · track · 31EPSS 0.010 · 63 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.02% (63rd) EPSS

CVSS 6.8 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in tvOS 14.3, iOS 14.3 and iPadOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.2. Processing a maliciously crafted font file may lead to arbitrary code execution.

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⚠ sources disagree · medium–high · 6.8–7.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

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

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (9)

Products and version ranges known to be affected.

Apple iOS and iPadOSunspecified → 14.3enisa_euvdEU
Apple macOSunspecified → 11.1enisa_euvdEU
Apple tvOSunspecified → 14.3enisa_euvdEU
Apple watchOSunspecified → 7.2enisa_euvdEU
apple ipad os< 14.3nvdUScpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
apple iphone os< 14.3nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos< 11.1.0nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos< 14.3nvdUScpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos< 7.2nvdUScpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-04-02modified 2026-06-17

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+16119 more

references (17)

External citations — patches, advisories, analysis.

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