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Fencer Vulns
high 7.8

CVE-2021-30835 json

This issue was addressed with improved checks.

published 2021-10-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17752

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, iTunes 12.12 for Windows, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted image may lead to arbitrary code execution.

Patch / fix

  • Apple Security Update - Catalina 2021
  • Apple iOS and iPadOS 15
  • Apple tvOS 15
  • Apple iTunes for Windows 12.12
  • Apple watchOS 8

Exploit prediction

3.08% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 Security Update - Catalina
  • Apple iOS and iPadOS
  • Apple tvOS
  • Apple iTunes for Windows
  • Apple watchOS

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.