Main Vulnerability Database Vulnerabilities #VU105733

Improper Preservation of Permissions in Zimbra Collaboration - CVE-2020-8633

Published: March 14, 2025

Vulnerability identifier: #VU105733

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2020-8633

CWE-ID: CWE-281

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Synacor Inc.

Affected software:
Zimbra Collaboration

Detailed vulnerability description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to incorrect revocation of a shared calendar in Outlook. A remote user can access the calendar after it was revoked.

Install updates from vendor's website.