Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2003-0512

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
27/08/2003
Last modified:
03/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.0\(24\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24.2\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(11\)ja1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(14.5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(14.5\)t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(15\)zn:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(15.1\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(16\)b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(16.1\)b:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools