Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade dovecot | Mar 26, 2024 | Jun 28, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 28, 2021 |
| Debian | — | Upgrade dovecot | Jul 30, 2024 | Jun 28, 2021 |
| Freebsd | — | Upgrade dovecot | Nov 4, 2022 | Jun 22, 2021 |
| Gentoo Linux | — | Upgrade net-mail/dovecot. | Jul 19, 2021 | Jun 28, 2021 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 28, 2021 |
| Suse | — | Upgrade dovecot23-ftsUpgrade dovecot23Upgrade dovecot23-fts-squatUpgrade dovecot23-backend-mysqlUpgrade dovecot23-backend-sqliteUpgrade dovecot23-fts-luceneUpgrade dovecot23-fts-solrUpgrade dovecot23-backend-pgsqlUpgrade dovecot23-devel | Jun 23, 2021 | Jun 21, 2021 |
| Ubuntu | — | Upgrade dovecot-core | Jun 21, 2021 | Jun 21, 2021 |
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