High severity · published Oct 27, 2020
CVE-2019-8740
A memory corruption vulnerability was addressed with improved locking
7.8
CVSS
1.3%
EPSS
No
On KEV
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 13.1 and iPadOS 13.1, watchOS 6, tvOS 13. An application may be able to execute arbitrary code with kernel privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 13.1 · source: NVD
IO
Ipad OS · Apple
before 13.1 · source: NVD
TV
Tvos · Apple
before 13 · source: NVD
WA
Watchos · Apple
before 6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-8740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-8740
Vendor Advisory
https://support.apple.com/en-us/HT210603
Vendor Advisory
https://support.apple.com/en-us/HT210604
Vendor Advisory
https://support.apple.com/en-us/HT210607
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