{"cve":"CVE-2009-4455","nvd":{"published":"2009-12-29T23:30:00.390","modified":"2026-06-16T23:13:42.060","status":"Modified","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.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://osvdb.org/61132","http://secunia.com/advisories/37710","http://tools.cisco.com/security/center/viewAlert.x?alertId=19609","http://www.securityfocus.com/archive/1/508530/100/0/threaded","http://www.securitytracker.com/id?1023368"],"products":["cisco:adaptive_security_appliance_5500"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4455","score":0.01307,"percentile":0.70588,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}