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HIGH · 7.5

CVE-2020-3877

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application terminat...

Vulnerability Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
AppleMac Os X< 10.15.3
AppleWatchos< 6.1.2

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2020-3877?

CVE-2020-3877 is a vulnerability with a CVSS score of 7.5 (HIGH). An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application terminat...

How severe is CVE-2020-3877?

CVE-2020-3877 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3877?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X, Apple Watchos.