CVE-2006-0561
HighSummary
Cisco Secure Access Control Server (ACS) 3.x for Windows stores ACS administrator passwords and the master key in the registry with insecure permissions. Local users and remote administrators can decrypt these passwords by using Microsoft's cryptographic API functions to obtain the plaintext version of the master key.
Risk Assessment
The risk involves potential unauthorized access to ACS administrator passwords, which could lead to full compromise of the authentication system and network access.
Recommendation
It is recommended to immediately upgrade to a newer version of Cisco Secure ACS that does not contain this vulnerability, and restrict access to the system registry for unauthorized users.
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Original NVD description (English source)
Cisco Secure Access Control Server (ACS) 3.x for Windows stores ACS administrator passwords and the master key in the registry with insecure permissions, which allows local users and remote administrators to decrypt the passwords by using Microsoft's cryptographic API functions to obtain the plaintext version of the master key.