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Fencer Vulns
medium 5.5

CVE-2020-9964 json

A memory initialization issue was addressed with improved memory handling.

published 2020-10-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30743

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 14.0 and iPadOS 14.0. A local user may be able to read kernel memory.

Patch / fix

  • Apple iOS iOS 14.0 and iPadOS 14.0

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:C/I:N/A:N

Affected products

  • Apple iOS

Classification

Weakness

References

Sources

Fencer Vulns 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.