{"id":"CVE-2021-21270","aliases":["EUVD-2021-8647","GHSA-phmm-rfg9-94fm"],"status":"published","title":"Cleartext Storage of Sensitive Information","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.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00279,"percentile":0.20561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2021-01-22T18:05:24Z","modified":"2026-10-20T10:54:28Z","products":[{"vendor":"octopus","product":"octopusdsc"},{"vendor":"octopusdeploy","product":"octopusdsc"}],"references":[{"url":"https://github.com/OctopusDeploy/OctopusDSC/security/advisories/GHSA-phmm-rfg9-94fm","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/OctopusDeploy/OctopusDSC/releases/tag/v4.0.1002","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/OctopusDeploy/OctopusDSC/pull/270","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/OctopusDeploy/OctopusDSC/commit/24b448e6ac964ed938475add494a145c0473ac42","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]}],"sources":{"cve":[{"id":"CVE-2021-21270","title":"Cleartext Storage of Sensitive Information","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.","status":"published","published":"2021-01-22T18:05:24Z","modified":"2024-08-03T18:09:14.987Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-8647","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.","status":"published","published":"2021-01-22T18:05:24Z","modified":"2024-08-03T18:09:14Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:06.913643Z"}],"nvd":[{"id":"CVE-2021-21270","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.","status":"published","published":"2021-01-22T18:15:12.687Z","modified":"2026-06-17T03:35:09.78Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-21270","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.","status":"published","published":"2021-01-22T18:15:12.687Z","modified":"2026-10-20T10:54:28.29668548Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.004149Z"}]}}