Zimbra Collaboration Server < 8.8.15 Patch 7 Server-Side Request Forgery Vulnerability

critical Nessus Plugin ID 322411

Synopsis

The remote web server contains a web application that is affected by a server-side request forgery vulnerability.

Description

According to its self-reported version number, Zimbra Collaboration Server is affected by a server-side request forgery vulnerability:

- Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled. (CVE-2020-7796)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to version 8.8.15 Patch 7 or later.

See Also

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P7

Plugin Details

Severity: Critical

ID: 322411

File Name: zimbra_8_8_15_p7.nasl

Version: 1.2

Type: Combined

Agent: unix

Family: CGI abuses

Published: 6/24/2026

Updated: 6/25/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-7796

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:zimbra:collaboration_suite

Required KB Items: Settings/ParanoidReport, installed_sw/zimbra_zcs

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/12/2020

Vulnerability Publication Date: 2/12/2020

Reference Information

CVE: CVE-2020-7796