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CVE-2020-3843

HIGHCVSS 8.8/10EPSS 3.48%

Last modified

CVE-2020-3843 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. EPSS estimates a 3.48% chance of exploitation in the next 30 days.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
3.48%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIphone Os< 12.4.7
AppleWatchos< 5.3.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-3843?
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
How severe is CVE-2020-3843?
CVE-2020-3843 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3843?
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-2020-3843?

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

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Source: NVD / NIST