Apple iOS device must have the latest available iOS operating system installed.

From Apple iOS 11 Security Technical Implementation Guide

Associated with: CCI-000366

SV-93127r1_rule Apple iOS device must have the latest available iOS operating system installed.

Vulnerability discussion

Required security features are not available in earlier OS versions. In addition, there may be known vulnerabilities in earlier versions.SFR ID: FMT_SMF_EXT.1.1 #47

Check content

Review configuration settings to confirm the most recently released version of iOS is installed. This validation procedure is performed on both the Apple iOS management tool and the Apple iOS device. Go to http://www.apple.com and determine the most current version of iOS released by Apple. In the MDM management console, review the version of iOS installed on a sample of managed devices. This procedure will vary depending on the MDM product. On the Apple iOS device: 1. Open the Settings app. 2. Tap "General". 3. Tap "About" and view the installed version of iOS. Also, tap "Software Update" and verify the following message is shown on the screen: "Your software is up to date." If the installed version of iOS on any reviewed iOS devices is not the latest released by Apple, this is a finding.

Fix text

Install the latest release version of Apple iOS on all managed iOS devices.

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