Security Advisory 2021-07
| Summary | Proxy Password Stored in Plaintext (CVE-2021-31820) |
| Advisory Number | 2021-07 |
| Discovery Date | 16 Jul 2021 |
| Patch Release Date | 03 Aug 2021 |
| Advisory Release Date | 18 Aug 2021 |
| Product | Octopus Server |
| Operating System | Linux and Windows |
| Severity | Medium |
| CVE ID | CVE-2021-31820 |
Customers who have downloaded and installed any of the Octopus Server versions listed below ("Details") are affected.
Please upgrade your Octopus Server immediately to fix this vulnerability.
Customers who have upgraded Octopus Server to version 2021.1.7622 or higher are not affected.
Severity
Octopus Deploy has given this vulnerability a medium rating. This rating was given according to the Octopus Deploy severity levels, which ranks vulnerabilities as critical, high, medium, or low severity.
This is our assessment and you should evaluate its applicability to your own environment.
Details
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.
The versions of Octopus Server affected by this vulnerability are:
-
All 2018.x.x versions after 2018.8.2
-
All 2019.x.x, 2020.1.x, 2020.2.x, 2020.3.x, 2020.4.x, 2020.5.x versions
-
All 2020.6.x versions before 2020.6.5310
-
All 2021.1.x versions before 2021.1.7622
Fix
To address this vulnerability, we have released Octopus Server versions:
-
2020.6.5310
-
2021.1.7622
The latest versions of Octopus Deploy products can be downloaded from https://octopus.com/downloads and previous versions can be downloaded from https://octopus.com/downloads/previous
What You Need to Do
Octopus Deploy recommends that you upgrade to the latest version (2021.1.7622). You can download the latest version of
If you can't upgrade to the latest version (2021.1.7622):
| If you have feature version... | ...then upgrade to this version |
|---|---|
| 2018.8.x, 2019.x.x, 2020.1.x, 2020.2.x, 2020.3.x, 2020.4.x, 2020.5.x, 2020.6.x | 2020.6.5310 |
| 2021.1.x | 2021.1.7622 |
Mitigation
There is no known mitigation for CVE-2021-31820, it is important to upgrade to a fixed version as soon as possible.
Support
If you have any questions or concerns regarding this advisory, please contact our support team https://octopus.com/support.
Exploitation and Public Announcements
The Octopus Deploy security team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
Source
This vulnerability was found by an Octopus Deploy customer.