High severity · published Sep 8, 2021
CVE-2021-30677
This issue was addressed with improved environment sanitization
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 14.6 · source: NVD
MA
macOS · Apple
11.0 before 11.4 · source: NVD
MO
Mac OS X · Apple
10.14 through 10.14.5; 10.15 through 10.15.6; 10.14.6; 10.14.6; 10.14.6; 10.14.6; +25 more · source: NVD
TV
Tvos · Apple
before 14.6 · source: NVD
WA
Watchos · Apple
before 7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30677
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30677
Release Notes
https://support.apple.com/en-us/HT212528
Release Notes
https://support.apple.com/en-us/HT212529
Release Notes
https://support.apple.com/en-us/HT212532
Release Notes
https://support.apple.com/en-us/HT212533
Release Notes
https://support.apple.com/en-us/HT212600
Release Notes
https://support.apple.com/en-us/HT212603
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