What is the severity of CVE-2016-9920?

CVE-2016-9920 is classified as a high-severity vulnerability due to its potential for remote code execution.

How do I fix CVE-2016-9920?

To fix CVE-2016-9920, upgrade Roundcube to version 1.1.7 or higher if using 1.1.x, or to version 1.2.3 or higher if using 1.2.x.

Who is affected by CVE-2016-9920?

CVE-2016-9920 affects all versions of Roundcube prior to 1.1.7 and 1.2.3 when sendmail is enabled without an SMTP server.

What are the consequences of CVE-2016-9920?

An attacker exploiting CVE-2016-9920 can execute arbitrary commands on the server through the sendmail program.

Is there a workaround for CVE-2016-9920?

A temporary workaround for CVE-2016-9920 is to disable the sendmail option until the software is updated.

Vulnerability/
CVE-2016-9920

high

7.5

CWE

284

8/12/2016

6/8/2024

CVE-2016-9920

First published: Thu Dec 08 2016(Updated: )

steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
barnraiser AROUNDMe	<=1.1.6
barnraiser AROUNDMe	=1.2.0
barnraiser AROUNDMe	=1.2.1
barnraiser AROUNDMe	=1.2.2

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-9920?
CVE-2016-9920 is classified as a high-severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2016-9920?
To fix CVE-2016-9920, upgrade Roundcube to version 1.1.7 or higher if using 1.1.x, or to version 1.2.3 or higher if using 1.2.x.
Who is affected by CVE-2016-9920?
CVE-2016-9920 affects all versions of Roundcube prior to 1.1.7 and 1.2.3 when sendmail is enabled without an SMTP server.
What are the consequences of CVE-2016-9920?
An attacker exploiting CVE-2016-9920 can execute arbitrary commands on the server through the sendmail program.
Is there a workaround for CVE-2016-9920?
A temporary workaround for CVE-2016-9920 is to disable the sendmail option until the software is updated.

agent/type
collector/mitre-cve
source/MITRE
agent/author
agent/last-modified-date
agent/severity
agent/weakness
agent/references
agent/event
agent/description
agent/first-publish-date
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/roundcube
canonical/barnraiser aroundme
version/barnraiser aroundme/1.1.6
version/barnraiser aroundme/1.2.0
version/barnraiser aroundme/1.2.1
version/barnraiser aroundme/1.2.2

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