What is CVE-2020-8633?

CVE-2020-8633 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Improper Preservation of Permissions. CVSS score: 5.3/10. Published 2020-02-18.

How severe is CVE-2020-8633?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Synacor Zimbra Collaboration Suite

CVE-2020-8633

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.

EPSS: 0.011 (61.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Synacor Zimbra_collaboration_suite — versions 8.8.15
N/a — versions n/a

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-8633?: CVE-2020-8633 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Improper Preservation of Permissions. CVSS score: 5.3/10. Published 2020-02-18.
How severe is CVE-2020-8633?: Medium severity. CVSS v3 base score is 5.3 out of 10.