CVEvulnerability

CVE-2016-9920

7.5 HIGH Published 2016-12-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-12-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.0 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:P
Weaknesses
CWE-284

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.

Affected configurations

• roundcube webmail (<= 1.1.6) • roundcube webmail 1.2.0 • roundcube webmail 1.2.1 • roundcube webmail 1.2.2

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References