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MEDIUM · 5.5

CVE-2021-1877

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

Vulnerability Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

CVSS Score

5.5

MEDIUM

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

Affected Products

VendorProductVersions
AppleIpados< 14.5
AppleIphone Os< 14.5

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2021-1877?

CVE-2021-1877 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

How severe is CVE-2021-1877?

CVE-2021-1877 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-1877?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os.