CVE-2021-1884
5.9 · MEDIUMOverview
CVE-2021-1884 is a medium-severity vulnerability affecting apple ipados. It was published on September 8, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.
Remediation
Check the references section for vendor advisories and patches from apple. Update ipados to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apple | ipados | >= 0, < 14.5 | Affected |
| apple | iphone_os | >= 0, < 14.5 | Affected |
| apple | mac_os_x | >= 10.14.0, < 10.14.6 | Affected |
| apple | macos | >= 11.0, < 11.3 | Affected |
| apple | tvos | >= 0, < 14.5 | Affected |
| apple | watchos | >= 0, < 7.4 | Affected |
References
Frequently Asked Questions
What is CVE-2021-1884?
CVE-2021-1884 is a medium-severity vulnerability affecting apple ipados. It was published on September 8, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2021-1884?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-1884?
Check the references section for vendor advisories and patches from apple. Update ipados to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-1884?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-1884 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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