CVE-2020-9870
CVSS v3
8.8
HIGH
EPSS Score
2.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A logic issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.
Technical details
- Published
- 2020-10-16
Frequently asked questions
What is CVE-2020-9870?
A logic issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.
Is CVE-2020-9870 actively exploited?
Active exploitation of CVE-2020-9870 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-9870?
CVE-2020-9870 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-9870 affecting your environment?
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