CVE-2011-2166

Severity: medium (CVSS 6.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-05-24 · updated 2026-06-16
Weakness: CWE-16

Description

script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group configuration settings, which might allow remote authenticated users to bypass intended access restrictions by leveraging a script.

Affected products

dovecot: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+7)

References

http://dovecot.org/pipermail/dovecot/2011-May/059085.html
http://openwall.com/lists/oss-security/2011/05/18/4
http://rhn.redhat.com/errata/RHSA-2013-0520.html
http://secunia.com/advisories/52311
http://www.dovecot.org/doc/NEWS-2.0
http://www.securityfocus.com/bid/48003
https://exchange.xforce.ibmcloud.com/vulnerabilities/67675
http://dovecot.org/pipermail/dovecot/2011-May/059085.html
http://openwall.com/lists/oss-security/2011/05/18/4
http://rhn.redhat.com/errata/RHSA-2013-0520.html
http://secunia.com/advisories/52311
http://www.dovecot.org/doc/NEWS-2.0

Get alerted when CVE-2011-2166 or the next vulnerability affects your stack