CVE-2012-3740: Low severity iphone os vulnerability

Published Sep 20, 2012
·
Updated

The Passcode Lock implementation in Apple iOS before 6 does not properly manage the lock state, which allows physically proximate attackers to bypass an intended passcode requirement via unspecified vectors.

Affected Software

40 affected components
apple iPhone OS<=5.1.1
apple iPhone OS=1.0.0
apple iPhone OS=1.0.1
apple iPhone OS=1.0.2
apple iPhone OS=1.1.0
apple iPhone OS=1.1.1
apple iPhone OS=1.1.2
apple iPhone OS=1.1.3
apple iPhone OS=1.1.4
apple iPhone OS=1.1.5
apple iPhone OS=2.0
apple iPhone OS=2.0.0
apple iPhone OS=2.0.1
apple iPhone OS=2.0.2
apple iPhone OS=2.1
apple iPhone OS=2.1.1
apple iPhone OS=2.2
apple iPhone OS=2.2.1
apple iPhone OS=3.0
apple iPhone OS=3.0.1
apple iPhone OS=3.1
apple iPhone OS=3.1.2
apple iPhone OS=3.1.3
apple iPhone OS=3.2
apple iPhone OS=3.2.1
apple iPhone OS=3.2.2
apple iPhone OS=4.0
apple iPhone OS=4.0.1
apple iPhone OS=4.0.2
apple iPhone OS=4.1
apple iPhone OS=4.2.1
apple iPhone OS=4.2.5
apple iPhone OS=4.2.8
apple iPhone OS=4.3.0
apple iPhone OS=4.3.1
apple iPhone OS=4.3.2
apple iPhone OS=4.3.3
apple iPhone OS=4.3.5
apple iPhone OS=5.0
apple iPhone OS=5.0.1

Event History

Sep 20, 2012
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2012-3740?

CVE-2012-3740 has been assigned a medium severity level due to its potential to allow unauthorized access to iOS devices.

2

How do I fix CVE-2012-3740?

To fix CVE-2012-3740, users should update their Apple iOS software to version 6 or later, where the vulnerability has been addressed.

3

Which versions of iOS are affected by CVE-2012-3740?

CVE-2012-3740 affects all versions of Apple iOS prior to 6, including versions up to 5.1.1.

4

What type of attacks can exploit CVE-2012-3740?

CVE-2012-3740 can be exploited by physical attackers who can bypass the passcode lock on affected devices.

5

Is CVE-2012-3740 specific to any device?

CVE-2012-3740 is specific to Apple iOS devices, including iPhones and iPads running versions prior to 6.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203