CVE-2003-0512 — MEDIUM severity vulnerability (Cisco IOS 12.2 and earlier generates a "% Login invalid" mes)
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.
| CVE ID | CVE-2003-0512 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| CWE | CWE-310 |
| Status | Modified |
| Published | 2003-08-27 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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