CVE-2016-3403

Zimbra Cross Site Request Forgery

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Múltiples vulnerabilidades de tipo cross-site request forgery (CSRF) en la Consola Administrativa en Zimbra Collaboration anterior a versión 8.6.0 Parche 8, permiten a los atacantes remotos secuestrar la autenticación de administradores para pedir que (1) agregue, (2) modifique o (3) elimine cuentas mediante el aprovechamiento de un fallo en el uso de un token CSRF y realizar comprobaciones de encabezado de referencia, también se conoce como errores 100885 y 100899.

Zimbra versions prior to 8.7 suffer from cross site request forgery vulnerabilities in the administrative interface.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-03-17 CVE Reserved
2017-01-13 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-10-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-352: Cross-Site Request Forgery (CSRF)

CAPEC

References (8)

URL	Tag	Source
http://www.securityfocus.com/bid/95383	Third Party Advisory
https://bugzilla.zimbra.com/show_bug.cgi?id=100885	Issue Tracking
https://bugzilla.zimbra.com/show_bug.cgi?id=100899	Issue Tracking
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0	Release Notes

URL	Date	SRC
http://seclists.org/fulldisclosure/2017/Jan/30	2024-08-05
https://sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface	2024-08-05

URL	Date	SRC
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8	2020-06-04

URL	Date	SRC
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories	2020-06-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Synacor Search vendor "Synacor"		Zimbra Collaboration Suite Search vendor "Synacor" for product "Zimbra Collaboration Suite"				<= 8.6.0 Search vendor "Synacor" for product "Zimbra Collaboration Suite" and version " <= 8.6.0"		-		Affected