CVE-2020-3882

Name: CVE-2020-3882
Creator: NVD / NIST
Published: 2020-06-09T16:15:10.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2020-3882 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. Importing a maliciously crafted calendar invitation may exfiltrate user information.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.15.5

References

https://support.apple.com/HT211170Vendor Advisory
https://support.apple.com/HT211170Vendor Advisory

Timeline

Published: Jun 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3882?

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. Importing a maliciously crafted calendar invitation may exfiltrate user information.

How severe is CVE-2020-3882?

CVE-2020-3882 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3882?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3882?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST