{"id":"CVE-2020-5426","aliases":["EUVD-2020-26594","GHSA-3cvg-mw7q-93pw"],"status":"published","title":"Scheduler for TAS can transmit privileged UAA token in plaintext","description":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.","severity":{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00708,"percentile":0.53736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2020-11-11T17:05:15Z","modified":"2026-06-17T03:21:28Z","products":[{"vendor":"vmware","product":"pivotal_scheduler"},{"vendor":"vmware tanzu","product":"pivotal scheduler"}],"references":[{"url":"https://tanzu.vmware.com/security/cve-2020-5426","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5426"},{"url":"https://github.com/advisories/GHSA-3cvg-mw7q-93pw"}],"sources":{"cve":[{"id":"CVE-2020-5426","title":"Scheduler for TAS can transmit privileged UAA token in plaintext","description":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.","status":"published","published":"2020-11-11T17:05:15.456Z","modified":"2024-09-17T03:03:38.361Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26594","description":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.","status":"published","published":"2020-11-11T17:05:15Z","modified":"2024-09-17T03:03:38Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T00:28:34.673232Z"}],"ghsa":[{"id":"GHSA-3cvg-mw7q-93pw","title":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client...","description":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.","status":"published","published":"2022-05-24T17:34:05Z","modified":"2023-01-29T05:04:28Z","cwes":["CWE-319"],"updated_at":"2026-11-02T14:45:33.67375Z"}],"nvd":[{"id":"CVE-2020-5426","description":"Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.","status":"published","published":"2020-11-11T17:15:13.197Z","modified":"2026-06-17T03:21:28.723Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}