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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | dovecot | 1:2.0.13-1 | — |
| Debian 13 | dovecot | 1:2.0.13-1 | — |
| Debian 12 | dovecot | 1:2.0.13-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | dovecot +4 | 1:2.0.9-5.el6 | RHSA-2013:0520 |
Advisories 1
- RHSA-2013:0520 Red Hat Security Advisory: dovecot security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- http://www.dovecot.org/doc/NEWS-2.0
- [dovecot] 20110511 v2.0.13 released mailing-list
- RHSA-2013:0520 vendor-advisory
- 52311 third-party-advisory
- 48003 vdb-entry
- [oss-security] 20110518 Dovecot releases mailing-list
- dovecot-scriptlogin-sec-bypass(67675) vdb-entry