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CVE-2020-9909

MEDIUMCVSS 5.9/10EPSS 1.72%

Last modified

CVE-2020-9909 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
1.72%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIpados< 13.6
AppleIphone Os< 13.6
AppleTvos< 13.4.8
AppleWatchos< 6.2.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-9909?
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
How severe is CVE-2020-9909?
CVE-2020-9909 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.
How do I fix CVE-2020-9909?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9909?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST