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Cryptographic Issues


Severity Medium
Score 5/10


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.

  • LOW
  • NONE
  • NONE
  • NONE

CWE-310 - Cryptographic Issues

Cryptographic issues is a category of weaknesses related to the design and implementation of the confidentiality and integrity of data. If not addressed, the weaknesses in this category can lead to data quality degradation.


Advisory Timeline

  • Published