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Cisco Bug: CSCvu26561 - WebVPN SSO Gives Unexpected Results when Integrated with Kerberos

Last Modified

Sep 17, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.12(3.9)

Description (partial)

Symptom:
Issue seems to be with the SSO feature when integrating with Kerberos.

An example of the issue is as follows:
User logs in to the clientless VPN.
User attempts to open a bookmark and gets a prompt to log in again.

Expected Behavior:
User logs in to the Clientless VPN.
User opens bookmark. No further authentication is prompted and bookmark opens.

debug kerberos 255 may show the following output:
"Failed to add PA data for client"
"Failed to build AS REQ with required pre-authentication data"
"KCD self-ticket retrieval failed. status -3."

Conditions:
Using aaa-server protocol kerberos and kdc-server under webvpn
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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