CVE-2021-30778

CVE-2021-30778 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

This issue was addressed with improved entitlements. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to bypass Privacy preferences.

Frequently asked questions

What is CVE-2021-30778?
This issue was addressed with improved entitlements. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to bypass Privacy preferences.
How severe is CVE-2021-30778?
CVE-2021-30778 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-30778 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30778?
CVE-2021-30778 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30778?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-30778 published?
CVE-2021-30778 was published on 2021-09-08 and last updated on 2026-06-17.

References

Affected products (1)

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