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Last updated: 10/21/2014 2:38:08 PM

CVE Publication rate: 54.77

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Vulnerability Workload Index: 15.1
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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2009-4455

Original release date: 12/29/2009
Last revised: 06/28/2010
Source: US-CERT/NIST

Overview

The default configuration of Cisco ASA 5500 Series Adaptive Security Appliance (Cisco ASA) 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2 allows portal traffic to access arbitrary backend servers, which might allow remote authenticated users to bypass intended access restrictions and access unauthorized web sites via a crafted URL obfuscated with ROT13 and a certain encoding. NOTE: this issue was originally reported as a vulnerability related to lack of restrictions to URLs listed in the Cisco WebVPN bookmark component, but the vendor states that "The bookmark feature is not a security feature."

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.5 (MEDIUM) (AV:N/AC:L/Au:S/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: OSVDB
Name: 61132
External Source: SECUNIA
Name: 37710
Type: Advisory
External Source: BUGTRAQ
Name: 20091217 [ISecAuditors Security Advisories] Cisco ASA <= 8.x VPN SSL module Clientless URL-list control bypass
External Source: SECTRACK
Name: 1023368
External Source: CONFIRM
Name: http://tools.cisco.com/security/center/viewAlert.x?alertId=19609
Type: Advisory
External Source: VUPEN
Name: ADV-2009-3577
Type: Advisory

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)