CVE-2003-0512

critical

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.

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5824

http://www.vigilante.com/inetsecurity/advisories/VIGILANTE-2003002.htm

http://www.kb.cert.org/vuls/id/886796

http://www.cisco.com/warp/public/707/cisco-sn-20030724-ios-enum.shtml

http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0056.html

Details

Source: Mitre, NVD

Published: 2003-08-27

Updated: 2017-10-11

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical