CVSS v3
7.8
HIGH
EPSS Score
0.2 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.
CISA Known Exploited Vulnerability
- Date Added
- 2021-11-03
- Patch Due Date
- 2022-05-03
- Ransomware Use
- Unknown
Technical details
- Published
- 2020-06-05
Frequently asked questions
What is CVE-2020-9859?
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.
Is CVE-2020-9859 actively exploited?
Yes. CVE-2020-9859 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.
What is the CVSS score for CVE-2020-9859?
CVE-2020-9859 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2020-9859 affecting your environment?
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