What is the severity of CVE-2016-4740?

CVE-2016-4740 is rated as having low severity due to the specific conditions required for exploitation.

How do I fix CVE-2016-4740?

To fix CVE-2016-4740, update your device to iOS version 10 or later.

What versions of iOS are affected by CVE-2016-4740?

CVE-2016-4740 affects Apple iOS versions before 10, specifically up to version 9.3.5.

What issues does CVE-2016-4740 present for users?

CVE-2016-4740 may allow attackers to gain access to sensitive information by not ensuring that a Messages login has occurred.

Are there any recommended mitigations for CVE-2016-4740 besides updating?

While updating is the primary fix for CVE-2016-4740, users are advised to limit sharing of sensitive information using Messages until the device is updated.

Vulnerability/
CVE-2016-4740

low

2.9

CWE

200

18/9/2016

6/8/2024

CVE-2016-4740: Infoleak

First published: Sun Sep 18 2016(Updated: )

Apple iOS before 10, when Handoff for Messages is used, does not ensure that a Messages signin has occurred before displaying messages, which might allow attackers to obtain sensitive information via unspecified vectors.

Credit: product-security@apple.com

Affected Software	Affected Version	How to fix
Apple iPhone OS	<=9.3.5

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-4740?
CVE-2016-4740 is rated as having low severity due to the specific conditions required for exploitation.
How do I fix CVE-2016-4740?
To fix CVE-2016-4740, update your device to iOS version 10 or later.
What versions of iOS are affected by CVE-2016-4740?
CVE-2016-4740 affects Apple iOS versions before 10, specifically up to version 9.3.5.
What issues does CVE-2016-4740 present for users?
CVE-2016-4740 may allow attackers to gain access to sensitive information by not ensuring that a Messages login has occurred.
Are there any recommended mitigations for CVE-2016-4740 besides updating?
While updating is the primary fix for CVE-2016-4740, users are advised to limit sharing of sensitive information using Messages until the device is updated.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/weakness
agent/references
agent/author
agent/tags
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/apple
canonical/apple iphone os
version/apple iphone os/9.3.5

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Frequently Asked Questions

What is the severity of CVE-2016-4740?
CVE-2016-4740 is rated as having low severity due to the specific conditions required for exploitation.
How do I fix CVE-2016-4740?
To fix CVE-2016-4740, update your device to iOS version 10 or later.
What versions of iOS are affected by CVE-2016-4740?
CVE-2016-4740 affects Apple iOS versions before 10, specifically up to version 9.3.5.
What issues does CVE-2016-4740 present for users?
CVE-2016-4740 may allow attackers to gain access to sensitive information by not ensuring that a Messages login has occurred.
Are there any recommended mitigations for CVE-2016-4740 besides updating?
While updating is the primary fix for CVE-2016-4740, users are advised to limit sharing of sensitive information using Messages until the device is updated.