CVE-2016-3406

8.8 highEPSS 0.9%

Multiple cross-site request forgery (CSRF) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to hijack the authentication of unspecified victims via vectors involving (1) the Client uploader extension or (2) extension REST handlers, aka bugs 104294 and 104456.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2017-01-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

synacor:zimbra_collaboration_suite

References

http://www.securityfocus.com/bid/95890
https://bugzilla.zimbra.com/show_bug.cgi?id=104294
https://bugzilla.zimbra.com/show_bug.cgi?id=104456
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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