CVE-2016-3403

high

Description

Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Zimbra Collaboration before 8.6.0 Patch 8 allow remote attackers to hijack the authentication of administrators for requests that (1) add, (2) modify, or (3) remove accounts by leveraging failure to use of a CSRF token and perform referer header checks, aka bugs 100885 and 100899.

References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8

https://bugzilla.zimbra.com/show_bug.cgi?id=100899

https://bugzilla.zimbra.com/show_bug.cgi?id=100885

http://www.securityfocus.com/bid/95383

Details

Source: Mitre, NVD

Published: 2017-05-17

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.02642