Vulnerability Report

CVE-2016-3403

Title: Synacor Zimbra Collaboration Suite Path Traversal / LFI

Arbitrary File Access

Proof Of Concept

No public PoC currently indexed for CVE-2016-3403.

CWE Category CWE-352

Published Date May 17, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 8.8 CVSS v3.0

Exploit Probability (EPSS)

0.37%

Vulnerability Summary

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.

Impacted Vendors

synacor 1

zimbra 1

Reference Links

http://seclists.org/fulldisclosure/2017/Jan/30 http://www.securityfocus.com/bid/95383 https://bugzilla.zimbra.com/show_bug.cgi?id=100885 https://bugzilla.zimbra.com/show_bug.cgi?id=100899 https://sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface/ https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8 https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0 https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories http://seclists.org/fulldisclosure/2017/Jan/30 http://www.securityfocus.com/bid/95383 https://bugzilla.zimbra.com/show_bug.cgi?id=100885 https://bugzilla.zimbra.com/show_bug.cgi?id=100899 https://sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface/ https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8 https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0 https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

CVSS v3.0

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns