CVE-2021-33515
dovecot - security update
4.8
MEDIUM
CVSS 3.1
EPSS 5.9%
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.
How to fix CVE-2021-33515
To remediate CVE-2021-33515, upgrade the affected package to a fixed version below.
- Alpine/dovecot—upgrade to 2.3.15-r0 or later
- Debian/dovecot—upgrade to 1:2.3.13+dfsg1-2 or later
- —upgrade to 1:2.3.4.1-5+deb10u7 or later
Is CVE-2021-33515 being exploited?
Moderate — EPSS is 5.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 2.3.15-r0
- from 0, < 1:2.3.13+dfsg1-2
- from 0, < 1:2.3.4.1-5+deb10u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |