CVE-2020-27941

CVE-2020-27941 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Frequently asked questions

What is CVE-2020-27941?
A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. An application may be able to execute arbitrary code with kernel privileges.
How severe is CVE-2020-27941?
CVE-2020-27941 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-27941 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27941?
CVE-2020-27941 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27941?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-27941 published?
CVE-2020-27941 was published on 2021-04-02 and last updated on 2026-06-17.

References

Affected products (1)

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