CVE-2020-3839

5.5 mediumEPSS 0.3%

Medium (5.5) in apple mac os x. EPSS 0.3% chance of exploitation in the next 30 days.

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2020-02-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x

References

https://support.apple.com/HT210919
https://support.apple.com/HT210919

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