{"schemaVersion":3,"id":"CVE-2021-22984","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"On BIG-IP Advanced WAF and ASM version 15.1.x before 15.1.0.2, 15.0.x before 15.0.1.4, 14.1.x before 14.1.2.5, 13.1.x before 13.1.3.4, 12.1.x before 12.1.5.2, and 11.6.x before 11.6.5.2, when receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense (versions prior to 14.1.0), or a Bot Defense profile (versions 14.1.0 and later), may subject clients and web servers to Open Redirection attacks. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.","dates":{"published":"2021-02-12T19:21:56.000Z","modified":"2024-08-03T18:58:26.040Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01118,"percentile":0.65621,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01118},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01118,"percentile":0.65621}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01118,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01118,"percentile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