CVE-2021-21270
In OctopusDSC version 4.0.977 and earlier a customer API key used to connect to Octopus Server is exposed via logging in plaintext.
Does this matter?
Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.
Description
OctopusDSC is a PowerShell module with DSC resources that can be used to install and configure an Octopus Deploy Server and Tentacle agent. In OctopusDSC version 4.0.977 and earlier a customer API key used to connect to Octopus Server is exposed via logging in plaintext. This vulnerability is patched in version 4.0.1002.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.28% probability · 20th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-319
- Affected
- octopus/octopusdsc
- Source
- security-advisories@github.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/OctopusDeploy/OctopusDSC/commit/24b448e6ac964ed938475add494a145c0473ac42Patch, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/pull/270Patch, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/releases/tag/v4.0.1002Release Notes, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/security/advisories/GHSA-phmm-rfg9-94fmThird Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/commit/24b448e6ac964ed938475add494a145c0473ac42Patch, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/pull/270Patch, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/releases/tag/v4.0.1002Release Notes, Third Party Advisory
- https://github.com/OctopusDeploy/OctopusDSC/security/advisories/GHSA-phmm-rfg9-94fmThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.