medium
5.5
Advisory Published
CVE Published
Updated

CVE-2021-1781

First published: Tue Jan 26 2021(Updated: )

A privacy issue existed in the handling of Contact cards. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A malicious application may be able to leak sensitive user information.

Credit: Csaba Fitzl @theevilbit Offensive SecurityCsaba Fitzl @theevilbit Offensive Security product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple Mac OS X>=10.14<10.14.6
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.2

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability severity of CVE-2021-1781?

    The severity of CVE-2021-1781 is not specified in the provided information.

  • How does CVE-2021-1781 affect macOS Big Sur 11.2?

    CVE-2021-1781 affects macOS Big Sur 11.2.

  • What software versions are affected by CVE-2021-1781?

    macOS Big Sur 11.2 and iOS 14.4 are affected by CVE-2021-1781.

  • How can I fix CVE-2021-1781?

    To fix CVE-2021-1781, update to the latest version of macOS or iOS provided by Apple.

  • Where can I find more information about CVE-2021-1781?

    You can find more information about CVE-2021-1781 on the Apple support website at the following links: [link1](https://support.apple.com/en-us/HT212147) and [link2](https://support.apple.com/en-us/HT212146).

Company

Resources

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203