CVE-2021-38084

High

Description

An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session.

SeverityHigh
CVSS8.1
Exploit probability—
ProductCourier-mta Courier Mail Server
PublishedAug 3, 2021
First seenAug 3, 2021

How to fix

Update
  • courier-mta courier_mail_server1.1.5 or later

Affected products

ProductAffected versionsFixed in
courier-mta courier_mail_serverv < 1.1.51.1.5

Check your version

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