Privilege escalation in Apple tvOS

Published: 2021-01-27 | Updated: 2021-06-20
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-1782
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Advisory

This security advisory describes one high risk vulnerability.

1) Race condition

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-1782

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in the Kernel component. A remote attacker can use a malicious application and escalate privileges on the system.

Note: The vulnerability is being actively exploited in the wild.


Install update from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57, 14.3 18K561

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.