National Cyber-Alert System
Vulnerability Summary for CVE-2009-1155
Original release date:04/09/2009
Last revised:04/28/2009
Source:
US-CERT/NIST
Overview
Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, and 8.1 before 8.1(2)15, when AAA override-account-disable is entered in a general-attributes field, allow remote attackers to bypass authentication and establish a VPN session to an ASA device via unspecified vectors.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information
Per vendor advisory: http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml
"VPN Authentication Bypass Vulnerability
Cisco ASA or Cisco PIX security appliances that are configured for IPsec or SSL-based remote access VPN and have the Override Account Disabled feature enabled are affected by this vulnerability.
Note: The Override Account Disabled feature was introduced in Cisco ASA software version 7.1(1). Cisco ASA and PIX software versions 7.1, 7.2, 8.0, and 8.1 are affected by this vulnerability. This feature is disabled by default. "
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: CISCO
Name: 20090408 Multiple Vulnerabilities in Cisco ASA Adaptive Security Appliance and Cisco PIX Security Appliances
Type: Advisory; Patch Information
External Source: VUPEN
Name: ADV-2009-0981
External Source: SECTRACK
Name: 1022016
External Source: BID
Name: 34429
External Source: SECUNIA
Name: 34607
External Source: OSVDB
Name: 53441
