Skip to content
Fencer Intel
high 7.8

CVE-2020-9971 json

A logic issue was addressed with improved validation.

published 5y ago modified 4mo ago also EUVD-2020-30750

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

A logic issue was addressed with improved validation. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. A malicious application may be able to elevate privileges.

Patch / fix

  • Apple tvOS 14.0
  • Apple watchOS 7.0
  • Apple iOS and iPadOS 14.0
  • Apple macOS 11.0

Is CVE-2020-9971 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Apple tvOS
  • Apple watchOS
  • Apple iOS and iPadOS
  • Apple macOS

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.