CSRF in Synacor Zimbra Collaboration Suite
CVE-2016-3403
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (70.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/95383 (VDB Entry, Third Party Advisory, vdb-entry)
- wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8 (Patch, Release Notes)
- bugzilla.zimbra.com/show_bug.cgi (Issue Tracking)
- bugzilla.zimbra.com/show_bug.cgi (Issue Tracking)
- wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0 (Release Notes)
- seclists.org/fulldisclosure/2017/Jan/30 (mailing-list, Exploit, VDB Entry, Third Party Advisory)
- sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administ… (Exploit, Third Party Advisory)
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-3403?
- CVE-2016-3403 is a high-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-05-17.
- How severe is CVE-2016-3403?
- High severity. CVSS v3 base score is 8.8 out of 10.