{"id":"CVE-2021-31820","aliases":["EUVD-2021-18695","GHSA-c5px-3mxp-74qc"],"status":"published","title":"In Octopus Server after version 2018.8.2 if the Octopus Server Web Request Proxy is configured...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00611,"percentile":0.498,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-312"],"published":"2021-08-18T10:43:57Z","modified":"2026-06-17T03:52:17Z","products":[{"vendor":"octopus","product":"octopus_server"},{"vendor":"octopus deploy","product":"octopus server"}],"references":[{"url":"https://advisories.octopus.com/adv/2021-07---Proxy-Password-Stored-in-Plaintext-%28CVE-2021-31820%29.2193063986.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31820"},{"url":"https://advisories.octopus.com/adv/2021-07---Proxy-Password-Stored-in-Plaintext-(CVE-2021-31820).2193063986.html"},{"url":"https://github.com/advisories/GHSA-c5px-3mxp-74qc"}],"sources":{"cve":[{"id":"CVE-2021-31820","description":"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.","status":"published","published":"2021-08-18T10:43:57Z","modified":"2024-08-03T23:10:29.992Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18695","description":"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.","status":"published","published":"2021-08-18T10:43:57Z","modified":"2024-08-03T23:10:29Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-c5px-3mxp-74qc","title":"In Octopus Server after version 2018.8.2 if the Octopus Server Web Request Proxy is configured...","description":"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.","status":"published","published":"2022-05-24T19:11:34Z","modified":"2023-01-30T05:01:34Z","cwes":["CWE-312"],"updated_at":"2026-11-02T14:46:26.483285Z"}],"nvd":[{"id":"CVE-2021-31820","description":"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.","status":"published","published":"2021-08-18T11:15:08.643Z","modified":"2026-06-17T03:52:17.833Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}