CVE-2021-30820

CVE-2021-30820 is a critical-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8. A remote attacker may be able to cause arbitrary code execution.

Frequently asked questions

What is CVE-2021-30820?
A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8. A remote attacker may be able to cause arbitrary code execution.
How severe is CVE-2021-30820?
CVE-2021-30820 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-30820 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30820?
CVE-2021-30820 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-30820?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-30820 published?
CVE-2021-30820 was published on 2021-10-19 and last updated on 2026-06-17.

References

Affected products (2)

More vulnerabilities in Apple Ipados

All CVEs affecting Apple Ipados →