{"id":"CVE-2003-0512","aliases":["EUVD-2003-0506","GHSA-38r2-56qf-x75g"],"status":"published","title":"Cisco IOS 12.2 and earlier generates a \"% Login invalid\" message instead of prompting for a...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03202,"percentile":0.88222,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2003-07-29T04:00:00Z","modified":"2026-06-16T22:02:20Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.vigilante.com/inetsecurity/advisories/VIGILANTE-2003002.htm","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sn-20030724-ios-enum.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5824","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0056.html","tags":["mailing-list","x_refsource_VULNWATCH","x_transferred","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/886796","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0512"},{"url":"https://github.com/advisories/GHSA-38r2-56qf-x75g"}],"sources":{"cve":[{"id":"CVE-2003-0512","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.","status":"published","published":"2003-07-29T04:00:00Z","modified":"2024-08-08T01:58:11.103Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0506","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.","status":"published","published":"2003-07-29T04:00:00Z","modified":"2024-08-08T01:58:11Z","updated_at":"2026-11-03T01:15:06.866577Z"}],"ghsa":[{"id":"GHSA-38r2-56qf-x75g","title":"Cisco IOS 12.2 and earlier generates a \"% Login invalid\" message instead of prompting for a...","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.","status":"published","published":"2022-04-29T01:26:33Z","modified":"2023-01-30T05:01:21Z","updated_at":"2026-11-02T14:46:23.547617Z"}],"nvd":[{"id":"CVE-2003-0512","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.","status":"published","published":"2003-08-27T04:00:00Z","modified":"2026-06-16T22:02:20.637Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:00:47.41445Z"}]}}