What is CVE-2020-18985?

CVE-2020-18985 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-12-15.

How severe is CVE-2020-18985?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Synacor Zimbra Collaboration Suite

CVE-2020-18985

An issue in /domain/service/.ewell-known/caldav of Zimbra Collaboration 8.8.12 allows attackers to redirect users to any arbitrary website of their choosing.

Vulnerability class: Open Redirect

EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Synacor Zimbra_collaboration_suite — versions 8.8.12
N/a — versions n/a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-18985?: CVE-2020-18985 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-12-15.
How severe is CVE-2020-18985?: Medium severity. CVSS v3 base score is 6.1 out of 10.