CVE-2021-1871 vulnerability in Apple and Other Products
Published on April 2, 2021
Known Exploited Vulnerability
This Apple iOS Privilege Escalation and Code Execution Chain vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-1871 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Products Associated with CVE-2021-1871
You can be notified by stack.watch whenever vulnerabilities like CVE-2021-1871 are published in these products:
What versions are vulnerable to CVE-2021-1871?
- Apple Mac Os X Version 10.15 Fixed in Version 10.15.7
- Apple Mac Os X Version 10.15.7 supplemental_update
- Apple Mac Os X Version 10.15.7 -
- Apple Iphone Os Fixed in Version 14.4
- Apple iPadOS Fixed in Version 14.4
- Apple macOS Version 11.0.1 Fixed in Version 11.2
- Apple Mac Os X Version 10.15.7 security_update_2020
- Debian Linux Version 10.0
- Fedora Project Fedora Version 33