CVE-2021-21270

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.

• CWE-319

• 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

Published

Jan 22, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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