CVE-2016-9920

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 8, 2016
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2016-9920: High severity, CVSS 7.5 | Vulnix