The work around available in the document is,
No workarounds exist for the vulnerabilities documented in this Notice.
To avoid the potential exploitation because of these vulnerabilities Cisco PSIRT recommends customer deploy Public Key Infrastructure (PKI) and carefully evaluate the risks of deploying Group Password based authentication schemes.
http://www.cisco.com/en/US/tech/tk583/tk372/technologies_security_notice09186a0080215981.html