CVE-2021-30803

CVE-2021-30803 is a low-severity vulnerability in Apple Macos with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access a user’s recent Contacts.

Frequently asked questions

What is CVE-2021-30803?
A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access a user’s recent Contacts.
How severe is CVE-2021-30803?
CVE-2021-30803 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-30803 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30803?
CVE-2021-30803 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30803?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-30803 published?
CVE-2021-30803 was published on 2021-09-08 and last updated on 2026-06-17.

References

Affected products (1)

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