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Fencer Vulns
medium 5.9

CVE-2024-40774 json

A downgrade issue was addressed with additional code-signing restrictions.

published 2024-07-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-38615

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in iOS 17.6 and iPadOS 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6, watchOS 10.6. An app may be able to bypass Privacy preferences.

Patch / fix

  • Apple iOS and iPadOS 17.6
  • Apple macOS 12.7.6, 13.6.8, 14.6
  • Apple tvOS 17.6
  • Apple watchOS 10.6

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 5.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

Affected products

  • Apple iOS and iPadOS
  • Apple macOS
  • Apple tvOS
  • 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.