Executive Summary

Title Cisco IOS Software Authentication Proxy Vulnerability
Name cisco-sa-20090923-auth-proxy First vendor Publication 2009-06-25
Vendor Cisco Last vendor Modification 2009-09-23
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:N/A:N)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Cisco IOS® Software configured with Authentication Proxy for HTTP(S), Web Authentication or the consent feature, contains a vulnerability that may allow an unauthenticated session to bypass the authentication proxy server or bypass the consent webpage.

Cisco has released free software updates that address this vulnerability.

There are no workarounds that mitigate this vulnerability.

Original Source

Url : http://www.cisco.com/warp/public/707/cisco-sa-20090923-auth-proxy.shtml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

Os 136

Open Source Vulnerability Database (OSVDB)

Id Description
58340 Cisco IOS Firewall Authentication Proxy Server / Consent Page Bypass

Snort® IPS/IDS

Date Description
2017-08-10 Cisco IOS authentication proxy authentication request attempt
RuleID : 43514 - Revision : 2 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2010-09-01 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20090923-auth-proxyhttp.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-02-17 10:21:56
  • Multiple Updates