script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group…
Priority LOW 33CWE-16Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.0201 80th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.7:*:*:*:*:*:*:* | 2.0.7 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.8:*:*:*:*:*:*:* | 2.0.8 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.9:*:*:*:*:*:*:* | 2.0.9 | Vulnerable | The Dovecot Project |
- cpe:2.3:a:dovecot:dovecot:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.7:*:*:*:*:*:*:* Versions 2.0.7 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·The Dovecot Project
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:2.0.10:*:*:*:*:*:*:* | 2.0.10 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.11:*:*:*:*:*:*:* | 2.0.11 | Vulnerable | The Dovecot Project |
| cpe:2.3:a:dovecot:dovecot:2.0.12:*:*:*:*:*:*:* | 2.0.12 | Vulnerable | The Dovecot Project |
- cpe:2.3:a:dovecot:dovecot:2.0.10:*:*:*:*:*:*:* Versions 2.0.10 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.11:*:*:*:*:*:*:* Versions 2.0.11 Vulnerable ·The Dovecot Project
- cpe:2.3:a:dovecot:dovecot:2.0.12:*:*:*:*:*:*:* Versions 2.0.12 Vulnerable ·The Dovecot Project
Remediation
Red Hat 1 advisory
- RHSA-2013:0520 Released 2013-02-20 · Red Hat rating Lowdovecot security and bug fix update
- Red Hat Enterprise Linux Server (v. 6) dovecot-1:2.0.9-5.el6, dovecot-1:2.0.9-5.el6.ppc, dovecot-mysql-1:2.0.9-5.el6 +2
- Red Hat Enterprise Linux Server Optional (v. 6) dovecot-1:2.0.9-5.el6, dovecot-devel-1:2.0.9-5.el6
- Red Hat Enterprise Linux Workstation (v. 6) dovecot-1:2.0.9-5.el6, dovecot-mysql-1:2.0.9-5.el6, dovecot-pgsql-1:2.0.9-5.el6 +1
- Red Hat Enterprise Linux Workstation Optional (v. 6) dovecot-1:2.0.9-5.el6, dovecot-devel-1:2.0.9-5.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2013:0520 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2013:0520 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2013:0520 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2013:0520 |
Not affected: 2 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2011-2166
- 2026-10-03 Alias added: GHSA-v9cm-xcfc-8942
References
More The Dovecot Project Dovecot vulnerabilities
- TI-2019-08591 In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2)… CVSS 3.0CRITICAL 9.8
- TI-2020-05686 lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3 mishandles… CVSS 3.1HIGH 7.5
- TI-2016-07114 The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a… CVSS 3.0MEDIUM 5.9
- TI-2017-10567 Out-of-bounds read in Dovecot CVSS 3.0HIGH 7.1
- TI-2022-12706 An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. CVSS 3.1HIGH 8.8
- TI-2020-08835 In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP… CVSS 3.1HIGH 7.5
Sources
- CVE-2011-2166 · CVE Program
- CVE-2011-2166 · NVD
- FIRST EPSS
- GHSA-v9cm-xcfc-8942 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-2166 · Red Hat security data · CC BY 4.0
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