Updated: 2026-02-27 00:58:28.450696
Description:
The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | MEDIUM | 5.8 |
| CVSS Version 3.x | MEDIUM | 4.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| CentOS 6 ELS | dovecot | 2.0.9 | 4.8 | MEDIUM | Ignored | 2021-11-02 14:03:16 | Ignored due to low severity | |
| CentOS 8.4 ELS | dovecot | 2.3.8 | 4.8 | MEDIUM | Released | CLSA-2022:1653506138 | 2022-05-25 16:27:17 | |
| CentOS 8.5 ELS | dovecot | 2.3.8 | 4.8 | MEDIUM | Released | CLSA-2022:1653506545 | 2022-05-25 16:26:55 | |
| CloudLinux 6 ELS | dovecot | 2.0.9 | 4.8 | MEDIUM | Ignored | 2021-11-02 14:03:16 | Ignored due to low severity | |
| Oracle Linux 6 ELS | dovecot | 2.0.9 | 4.8 | MEDIUM | Ignored | 2021-11-02 14:03:16 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | dovecot | 2.2.22 | 4.8 | MEDIUM | Not Vulnerable | 2021-11-02 14:03:16 | Not affected: Dovecot 2.2.22 predates the 2.3 branch where the submission service and its lib-smtp l... | |
| Ubuntu 18.04 ELS | dovecot | 2.2.33.2-1 | 4.8 | MEDIUM | Not Vulnerable | 2023-07-04 17:06:57 | Not affected: This issue targets Dovecot’s SMTP submission service (lib-smtp) present only in the ... |