CVE-2021-1835

Name: CVE-2021-1835
Creator: NVD / NIST
Published: 2021-09-08T15:15:10.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2021-1835 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to access notes from the lock screen.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.31%

22.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 14.5
Apple	Iphone Os	< 14.5

References

https://support.apple.com/en-us/HT212317Vendor Advisory
https://support.apple.com/en-us/HT212317Vendor Advisory

Timeline

Published: Sep 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1835?

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. A person with physical access to an iOS device may be able to access notes from the lock screen.

How severe is CVE-2021-1835?

CVE-2021-1835 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1835?

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-2021-1835?

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

Scan your code now

Source: NVD / NIST