CVE-2021-1787: High severity tvos vulnerability

Published Jan 26, 2021
·
Updated

Crash Reporter. Multiple issues were addressed with improved logic.

Other sources

Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A local attacker may be able to elevate their privileges.

Credit

James Hutchins

Affected Software

30 affected componentsFixes available
Apple tvOS<14.4
14.4
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple WatchOS<7.3
7.3
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.2
Apple tvOS<14.4
Apple WatchOS<7.3

Event History

Apr 2, 2021
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-1787?

CVE-2021-1787 is a vulnerability in the Crash Reporter component of Apple macOS, iOS, iPadOS, watchOS, and tvOS.

2

How does CVE-2021-1787 affect me?

CVE-2021-1787 could allow an attacker to cause a denial-of-service condition or execute arbitrary code on affected devices.

3

Is there a fix available for CVE-2021-1787?

Yes, Apple has released updates to address the issues related to CVE-2021-1787. It is recommended to update your affected devices to the latest version.

4

How can I protect myself from CVE-2021-1787?

To protect yourself from CVE-2021-1787, make sure to update your Apple devices to the latest version and follow good security practices such as avoiding suspicious links and downloading apps only from trusted sources.

5

Where can I find more information about CVE-2021-1787?

You can find more information about CVE-2021-1787 on Apple's official support page: [link](https://support.apple.com/en-us/HT212149).

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