CVE-2021-31820: Octopus Server

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

In Octopus Server after version 2018.8.2 if the Octopus Server Web Request Proxy is configured with authentication, the password is shown in plaintext in the UI.

Affected products

• Octopus Octopus Server: after 2018.8.2, before 2020.6.5310 (fixed in 2020.6.5310); from 2021.1.0, before 2021.1.7622 (fixed in 2021.1.7622)

Published 2021-08-18. Last modified 2026-06-17.