CVE-2020-5239

High

Description

In Mailu before version 1.7, an authenticated user can exploit a vulnerability in Mailu fetchmail script and gain full access to a Mailu instance. Mailu servers that have open registration or untrusted users are most impacted. The master and 1.7 branches are patched on our git repository. All Docker images published on docker.io/mailu for tags 1.5, 1.6, 1.7 and master are patched. For detailed instructions about patching and securing the server afterwards, see https://github.com/Mailu/Mailu/issues/1354

SeverityHigh
CVSS8.7
Exploit probability—
ProductMailu
PublishedFeb 13, 2020
First seenFeb 13, 2020

How to fix

Update
  • mailu mailu1.7 or later

Affected products

ProductAffected versionsFixed in
mailu mailuv < 1.71.7

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