CVE-2021-30703
7.8 · HIGHOverview
CVE-2021-30703 is a high-severity vulnerability affecting apple ipados. It was published on September 8, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.
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, < 14.6 | Affected |
| apple | iphone_os | >= 0, < 14.6 | Affected |
| apple | mac_os_x | 10.14 | Affected |
| apple | macos | >= 11.0, < 11.4 | Affected |
| apple | tvos | >= 0, < 14.6 | Affected |
| apple | watchos | >= 0, < 7.5 | Affected |
References
Frequently Asked Questions
What is CVE-2021-30703?
CVE-2021-30703 is a high-severity vulnerability affecting apple ipados. It was published on September 8, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-30703?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-30703?
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-2021-30703?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-30703 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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