{"cve":"CVE-2014-4821","nvd":{"published":"2014-10-28T19:55:02.963","modified":"2026-06-17T00:10:38.477","status":"Modified","description":"IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0 through 7.0.0.2 CF28, 8.0 through 8.0.0.1 CF14, and 8.5.0 before CF03 provides different web-server error codes depending on whether a requested file exists, which allows remote attackers to determine the validity of filenames via a series of requests.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://www-01.ibm.com/support/docview.wss?uid=swg1PI27710","http://www-01.ibm.com/support/docview.wss?uid=swg21684651","http://www.securityfocus.com/bid/70755","https://exchange.xforce.ibmcloud.com/vulnerabilities/95466","http://www-01.ibm.com/support/docview.wss?uid=swg1PI27710"],"products":["ibm:websphere_portal"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2014-4821","score":0.02072,"percentile":0.81441,"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."]}