medium
6.5
Advisory Published
CVE Published
Updated

CVE-2021-30783

First published: Wed Jul 21 2021(Updated: )

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.

Credit: an anonymous researcher Ron Hass @ronhass7 Perception PointRon Waisberg @epsilan Ron Waisberg @epsilan product-security@apple.com Ron Waisberg @epsilan

Affected SoftwareAffected VersionHow to fix
Apple Catalina
Apple Mojave
Apple macOS Big Sur<11.5
11.5
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.6
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
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-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-security_update_2021-003
Apple Mac OS X=10.14.6-security_update_2021-004
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-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.5

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-30783?

    CVE-2021-30783 is a vulnerability in CoreServices that allows unauthorized access to LaunchServices.

  • What is the severity of CVE-2021-30783?

    The severity of CVE-2021-30783 has not been disclosed.

  • How does CVE-2021-30783 affect Apple Mojave?

    CVE-2021-30783 affects Apple Mojave by compromising access restriction controls in the LaunchServices component.

  • Is Apple Catalina affected by CVE-2021-30783?

    Yes, Apple Catalina is affected by CVE-2021-30783.

  • How can I fix CVE-2021-30783?

    To fix CVE-2021-30783, update your macOS to the latest version provided by Apple.

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