Cisco ASA is prone to a cross-site scripting vulnerability.
An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site and to steal cookie-based authentication credentials.
Cisco ASA software versions 8.0.4(2B) and prior running on ASA 5500 Series Adaptive Security Appliances are vulnerable.

Multiple vulnerabilities exist in the Cisco ASA 5500 Series Adaptive Security Appliances and Cisco PIX Security Appliances.
Vulnerable Products
The following is a list of the products affected by each vulnerability as described in detail within this advisory.
VPN Authentication Bypass Vulnerability
Cisco ASA or Cisco PIX security appliances that are configured for IPsec or SSL-based remote access VPN [...]

Zloss has reported some vulnerabilities in Cisco IOS, which can be exploited by malicious people to conduct cross-site scripting and cross-site request forgery attacks.

Input passed via the URL when executing commands is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user’s [...]

On 09 May 2007, Cisco published a Security advisory about multiple IOS FTP Server vulnetabilities.
Cisco IOS FTP Server is prone to multiple vulnerabilities including a denial-of-service issue and an authentication-bypass issue. Attackers can exploit these issues to deny service to legitimate users, gain unauthorized access to an affected device, or execute arbitrary code. Only IOS devices [...]

Cisco Router HTTP Administration CSRF Remote Command Execution Universal Exploit. Replace “10.10.10.1″ with the IP address of the target router, embed this in a web page and hope for the best. This is only for test use.

Searching more info about Cisco WebEx Meeting Manager vulnerability, I have found this exploit. Only for test.