Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2003-0512

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.

Published

2003-08-27T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-310
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 12.0\(24\)s1 Yes
Operating System cisco ios 12.0\(24.2\)s Yes
Operating System cisco ios 12.2\(11\)ja1 Yes
Operating System cisco ios 12.2\(14.5\) Yes
Operating System cisco ios 12.2\(14.5\)t Yes
Operating System cisco ios 12.2\(15\)zn Yes
Operating System cisco ios 12.2\(15.1\)s Yes
Operating System cisco ios 12.2\(16\)b Yes
Operating System cisco ios 12.2\(16.1\)b Yes
References