dovecot: authenticated remote bypass of intended access restrictions
Published May 24, 2011
6.5
MEDIUMCVSS 2.0
EPSS 2.01%
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
No data.
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.0.12
No data.
Red Hat Enterprise Linux 6
dovecot-1:2.0.9-5.el6
Fixed · RHSA-2013:0520
Red Hat Enterprise Linux 4
dovecot
Not affected
Red Hat Enterprise Linux 5
dovecot
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dovecot-1:2.0.9-5.el6 | Fixed | RHSA-2013:0520 |
| Red Hat Enterprise Linux 4 | dovecot | Not affected | n/a |
| Red Hat Enterprise Linux 5 | dovecot | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.01% (0.02010) | 80.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.01% (0.02010) | 78.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00264) | 47.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.53% (0.00527) | 77.76th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.53% (0.00527) | 76.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00527) | 73.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.23% (0.01232) | 67.28th | v2 (v2022.01.01) |
| Dec 23, 2022 | 1.23% (0.01232) | 66.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.23% (0.01232) | 64.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.23% (0.01232) | 41.02th | v2 (v2022.01.01) |
References (11)
- http://dovecot.org/pipermail/dovecot/2011-May/059085.html mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2011/05/18/4 mailing-listx_refsource_MLISTPatch
- http://rhn.redhat.com/errata/RHSA-2013-0520.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/52311 third-party-advisoryx_refsource_SECUNIA
- http://www.dovecot.org/doc/NEWS-2.0 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/48003 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2011-2166 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=709095 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67675 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-2166
- https://www.cve.org/CVERecord?id=CVE-2011-2166
| Link | Providers | Tags |
|---|---|---|
| http://dovecot.org/pipermail/dovecot/2011-May/059085.html | mailing-listx_refsource_MLISTPatch | |
| http://openwall.com/lists/oss-security/2011/05/18/4 | mailing-listx_refsource_MLISTPatch | |
| http://rhn.redhat.com/errata/RHSA-2013-0520.html | vendor-advisoryx_refsource_REDHAT | |
| http://secunia.com/advisories/52311 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.dovecot.org/doc/NEWS-2.0 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/48003 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2011-2166 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=709095 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/67675 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2166 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-2166 |
Change history (0)
No recorded changes yet.