CVE-2020-18985

6.1 mediumEPSS 0.7%

Medium (6.1) in synacor zimbra collaboration suite. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2021-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

synacor:zimbra_collaboration_suite

References

https://github.com/buxu/bug/issues/3
https://github.com/buxu/bug/issues/3

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