CVE-2020-24386
MEDIUM6.8EPSS 2.2%dovecot - security update
Published: 1/4/2021Modified: 4/28/2026
Description
An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).
Affected packages (4)
- Alpine/dovecotfrom 0, < 2.3.13-r0
- Debian/dovecotfrom 0, < 1:2.3.13+dfsg1-1
- Debian/dovecotfrom 0, < 1:2.2.27-3+deb9u7
- Debian/dovecotfrom 0, < 1:2.3.4.1-5+deb10u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |