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CVE-2021-33515

Publication date 21 June 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.8 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
dovecot 22.04 LTS jammy
Fixed 2.3.13+dfsg1-1ubuntu2
21.10 impish
Fixed 2.3.13+dfsg1-1ubuntu2
21.04 hirsute
Fixed 1:2.3.13+dfsg1-1ubuntu1.1
20.10 groovy
Fixed 1:2.3.11.3+dfsg1-2ubuntu0.2
20.04 LTS focal
Fixed 1:2.3.7.2-1ubuntu3.4
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

per upstream, this affects 2.3.0-2.3.14

Severity score breakdown

Parameter Value
Base score 4.8 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N