{"cve":"CVE-2015-4331","nvd":{"published":"2015-08-22T17:59:00.113","modified":"2026-06-17T00:27:06.843","status":"Modified","description":"Cisco Prime Infrastructure (PI) 1.4(0.45) and earlier, when AAA authentication is used, allows remote authenticated users to bypass intended access restrictions via a username with a modified composition of lowercase and uppercase characters, aka Bug ID CSum59958.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://tools.cisco.com/security/center/viewAlert.x?alertId=40553","http://www.securitytracker.com/id/1033356","http://tools.cisco.com/security/center/viewAlert.x?alertId=40553","http://www.securitytracker.com/id/1033356"],"products":["cisco:prime_infrastructure"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-4331","score":0.01778,"percentile":0.78225,"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."]}