{"schemaVersion":3,"id":"CVE-2009-4455","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The default configuration of Cisco ASA 5500 Series Adaptive Security Appliance (Cisco ASA) 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2 allows portal traffic to access arbitrary backend servers, which might allow remote authenticated users to bypass intended access restrictions and access unauthorized web sites via a crafted URL obfuscated with ROT13 and a certain encoding.  NOTE: this issue was originally reported as a vulnerability related to lack of restrictions to URLs listed in the Cisco WebVPN bookmark component, but the vendor states that \"The bookmark feature is not a security feature.\"","dates":{"published":"2009-12-29T23:00:00.000Z","modified":"2024-08-07T07:01:20.709Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.5,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01307,"percentile":0.70322,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.01307},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01307,"percentile":0.70322}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01307,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01307,"percentile":nu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