Vulnerability Details CVE-2016-9920
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.383
EPSS Ranking 97.0%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 6.0
Products affected by CVE-2016-9920
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cpe:2.3:a:roundcube:webmail:-
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cpe:2.3:a:roundcube:webmail:0.1
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cpe:2.3:a:roundcube:webmail:0.1.1
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cpe:2.3:a:roundcube:webmail:0.2
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cpe:2.3:a:roundcube:webmail:0.2.1
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cpe:2.3:a:roundcube:webmail:0.2.2
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cpe:2.3:a:roundcube:webmail:0.3
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cpe:2.3:a:roundcube:webmail:0.3.1
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cpe:2.3:a:roundcube:webmail:0.4
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cpe:2.3:a:roundcube:webmail:0.4.1
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cpe:2.3:a:roundcube:webmail:0.4.2
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cpe:2.3:a:roundcube:webmail:0.5
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cpe:2.3:a:roundcube:webmail:0.5.1
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cpe:2.3:a:roundcube:webmail:0.5.2
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cpe:2.3:a:roundcube:webmail:0.5.3
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cpe:2.3:a:roundcube:webmail:0.5.4
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cpe:2.3:a:roundcube:webmail:0.6
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cpe:2.3:a:roundcube:webmail:0.7
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cpe:2.3:a:roundcube:webmail:0.7.1
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cpe:2.3:a:roundcube:webmail:0.7.2
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cpe:2.3:a:roundcube:webmail:0.7.3
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cpe:2.3:a:roundcube:webmail:0.7.4
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cpe:2.3:a:roundcube:webmail:0.8.0
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cpe:2.3:a:roundcube:webmail:0.8.1
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cpe:2.3:a:roundcube:webmail:0.8.2
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cpe:2.3:a:roundcube:webmail:0.8.3
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cpe:2.3:a:roundcube:webmail:0.8.4
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cpe:2.3:a:roundcube:webmail:0.8.5
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cpe:2.3:a:roundcube:webmail:0.8.6
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cpe:2.3:a:roundcube:webmail:0.8.7
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cpe:2.3:a:roundcube:webmail:0.9
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cpe:2.3:a:roundcube:webmail:0.9.0
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cpe:2.3:a:roundcube:webmail:0.9.1
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cpe:2.3:a:roundcube:webmail:0.9.2
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cpe:2.3:a:roundcube:webmail:0.9.3
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cpe:2.3:a:roundcube:webmail:0.9.4
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cpe:2.3:a:roundcube:webmail:0.9.5
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cpe:2.3:a:roundcube:webmail:1.0
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cpe:2.3:a:roundcube:webmail:1.0.0
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cpe:2.3:a:roundcube:webmail:1.0.1
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cpe:2.3:a:roundcube:webmail:1.0.10
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cpe:2.3:a:roundcube:webmail:1.0.11
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cpe:2.3:a:roundcube:webmail:1.0.12
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cpe:2.3:a:roundcube:webmail:1.0.2
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cpe:2.3:a:roundcube:webmail:1.0.3
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cpe:2.3:a:roundcube:webmail:1.0.4
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cpe:2.3:a:roundcube:webmail:1.0.5
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cpe:2.3:a:roundcube:webmail:1.0.6
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cpe:2.3:a:roundcube:webmail:1.0.7
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cpe:2.3:a:roundcube:webmail:1.0.8
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cpe:2.3:a:roundcube:webmail:1.0.9
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cpe:2.3:a:roundcube:webmail:1.1
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cpe:2.3:a:roundcube:webmail:1.1.0
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cpe:2.3:a:roundcube:webmail:1.1.1
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cpe:2.3:a:roundcube:webmail:1.1.2
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cpe:2.3:a:roundcube:webmail:1.1.3
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cpe:2.3:a:roundcube:webmail:1.1.4
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cpe:2.3:a:roundcube:webmail:1.1.5
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cpe:2.3:a:roundcube:webmail:1.1.6
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cpe:2.3:a:roundcube:webmail:1.2.0
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cpe:2.3:a:roundcube:webmail:1.2.1
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cpe:2.3:a:roundcube:webmail:1.2.2