{"schemaVersion":3,"id":"CVE-2021-28827","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Runtime Agent, TIBCO Runtime Agent, TIBCO Runtime Agent for z/Linux, and TIBCO Runtime Agent for z/Linux contains an easily exploitable vulnerability that allows an unauthenticated attacker to social engineer a legitimate user with network access to execute a Stored XSS attack targeting the affected system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent: versions 5.10.2 and below, TIBCO Runtime Agent: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent for z/Linux: versions 5.10.2 and below, and TIBCO Runtime Agent for z/Linux: versions 5.11.0 and 5.11.1.","dates":{"published":"2021-04-20T18:30:17.130Z","modified":"2024-09-16T16:32:29.141Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.6,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.6,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.6,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01102,"percentile":0.65197,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01102},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01102,"percentile":0.65197}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01102,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01102,"percentile":n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