Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title Cisco Adaptive Security Appliance Web Services Denial of Service Vulnerability
Name cisco-sa-20180606-asaftd First vendor Publication 2018-06-06
Vendor Cisco Last vendor Modification 2018-06-06
Severity (Vendor) N/A Revision N/A

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:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. It is also possible on certain software releases that the ASA will not reload, but an attacker could view sensitive system information without authentication by using directory traversal techniques.

The vulnerability is due to lack of proper input validation of the HTTP URL. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition or unauthenticated disclosure of information. This vulnerability applies to IPv4 and IPv6 HTTP traffic.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd"]


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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Application 537
Application 35
Os 29
Os 1

Snort® IPS/IDS

Date Description
2020-12-05 Cisco Adaptive Security Appliance directory traversal attempt
RuleID : 46897 - Revision : 1 - Type : SERVER-WEBAPP

Nessus® Vulnerability Scanner

Date Description
2018-06-25 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20180606-asa.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2020-12-05 21:23:46
  • Multiple Updates
2018-07-23 21:21:39
  • Multiple Updates
2018-06-07 17:21:02
  • Multiple Updates
2018-06-06 21:19:05
  • First insertion