{"cve":"CVE-2003-0512","nvd":{"published":"2003-08-27T04:00:00.000","modified":"2026-06-16T22:02:20.637","status":"Modified","description":"Cisco IOS 12.2 and earlier generates a \"% Login invalid\" message instead of prompting for a password when an invalid username is provided, which allows remote attackers to identify valid usernames on the system and conduct brute force password guessing, as reported for the Aironet Bridge.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0056.html","http://www.cisco.com/warp/public/707/cisco-sn-20030724-ios-enum.shtml","http://www.kb.cert.org/vuls/id/886796","http://www.vigilante.com/inetsecurity/advisories/VIGILANTE-2003002.htm","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5824"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:35:54.859949650+00:00"},"epss":{"cve":"CVE-2003-0512","score":0.03202,"percentile":0.88139,"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."]}