Cleartext storage of sensitive information in Octopus Server
Priority LOW 34CWE-312Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.
Summary
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.
Why it matters now
EPSS 0.00611 49th percentileScored 2026-11-07
Fix Fixed Octopus Server (Octopus Deploy): 2020.6.5310, 2021.1.7622
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Octopus Deploy | Octopus Server | 2018.8.2 and later; before 2020.6.5310; 2021.1.7149 and later; before 2021.1.7622 | 2020.6.5310, 2021.1.7622 | Patch available | CNA |
- Octopus Server VendorOctopus Deploy Affected 2018.8.2 and later; before 2020.6.5310; 2021.1.7149 and later; before 2021.1.7622 Fixed in 2020.6.5310, 2021.1.7622 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* | after 2018.8.2, before 2020.6.5310; 2021.1.0 to before 2021.1.7622 | Vulnerable | Octopus Deploy |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:* Versions after 2018.8.2, before 2020.6.5310; 2021.1.0 to before 2021.1.7622 Vulnerable ·Octopus Deploy
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA Octopus Server (Octopus Deploy) Fixed in 2020.6.5310, 2021.1.7622
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31820
- 2026-10-03 Alias added: GHSA-c5px-3mxp-74qc
References
More Octopus Deploy Octopus Server vulnerabilities
- TI-2018-13353 In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with… CVSS 3.0HIGH 8.8
- TI-2022-02375 Improper authentication in Octopus Server CVSS 3.1CRITICAL 9.8
- TI-2022-02579 Insufficient session expiration in Octopus Server CVSS 3.1CRITICAL 9.1
- TI-2018-08066 In Octopus Deploy 2018.4.4 through 2018.5.1, Octopus variables that are sourced from the… CVSS 3.0CRITICAL 9.8
- TI-2022-02575 In affected versions of Octopus Deploy it is possible to bypass rate limiting on login using null bytes. CVSS 3.1CRITICAL 9.8
- TI-2022-03678 In affected versions of Octopus Deploy it is possible for a user to introduce code via offline package creation CVSS 3.1HIGH 8.8
Sources
- CVE-2021-31820 · CVE Program
- CVE-2021-31820 · NVD
- FIRST EPSS
- GHSA-c5px-3mxp-74qc · GitHub Advisory Database · CC BY 4.0
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