Medium severity · published Oct 16, 2020
CVE-2020-9934
Apple iOS, iPadOS, and macOS Input Validation Vulnerability
In wildKEV
5.5
CVSS
3.2%
EPSS
Yes
On KEV
Description
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildYes
CISA KEVListed Sep 8, 2022
Federal remediation dueSep 29, 2022
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before iOS 13.6 and iPadOS 13.6 · source: vendor, NVD
MA
macOS · Apple
before macOS Catalina 10.15.6 · source: vendor
MO
Mac OS X · Apple
before 10.15.6 · source: NVD
II
iOS, iPadOS, and macOS · Apple
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9934
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9934
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://support.apple.com/HT211289
x_refsource_MISC
https://support.apple.com/HT211288
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