Name: CVE-2020-8633: Improper Preservation of Permissions
Creator: Rapid7
Published: 2020-02-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-8633, CWE-281, CVSS 5.3, EPSS 0.00203

An issue was discovered in Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7. When grantors revoked a shared calendar in Outlook, the calendar stayed mounted and accessible.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Zimbra Collaboration	—	Upgrade Zimbra Collaboration to the latest version	Feb 23, 2026	Feb 18, 2020

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CVSS Details

Covered by Rapid7

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