CVE-2011-2166
script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group configuration...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-2166- CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-16
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-2166- Updated
- 2026-11-02
EUVDEUVD-2011-2158 No score
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.
- Record
EUVD-2011-2158- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v9cm-xcfc-8942 No score
script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group configuration...
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.
- Record
GHSA-v9cm-xcfc-8942- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-2166- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-2166 No score
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.
- Record
DEBIAN-CVE-2011-2166- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dovecotDebian:12 |
before 1:2.0.13-1 | 1:2.0.13-1 |
dovecotDebian:13 |
before 1:2.0.13-1 | 1:2.0.13-1 |
dovecotDebian:14 |
before 1:2.0.13-1 | 1:2.0.13-1 |
dovecotRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-debuginfoRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-develRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-mysqlRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-pgsqlRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-pigeonholeRed Hat:enterprise_linux:6::server |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecotRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
dovecot-debuginfoRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-develRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-mysqlRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-pgsqlRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
dovecot-pigeonholeRed Hat:enterprise_linux:6::workstation |
before 1:2.0.9-5.el6 | 1:2.0.9-5.el6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2166 is a medium vulnerability (CVSS 6.5) in Dovecot, published May 24, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.01%, the 80th percentile. Fixed in dovecot 1:2.0.13-1.
References
dovecot.org/doc/NEWS-2.0
dovecot.org/pipermail/dovecot/2011-May/059085.html
rhn.redhat.com/errata/RHSA-2013-0520.html
secunia.com/advisories/52311
securityfocus.com/bid/48003
openwall.com/lists/oss-security/2011/05/18/4
Show 18 moreShow less
exchange.xforce.ibmcloud.com/vulnerabilities/67675
nvd.nist.gov/vuln/detail/CVE-2011-2166
github.com/advisories/GHSA-v9cm-xcfc-8942
security-tracker.debian.org/tracker/CVE-2011-2166
access.redhat.com/errata/RHSA-2013:0520
bugzilla.redhat.com/show_bug.cgi?id=709095
security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0520.json
cve.org/CVERecord?id=CVE-2011-2166