Executive Summary

Title Cisco Firepower Malware Block Bypass Vulnerability
Name cisco-sa-20160330-fp First vendor Publication 2016-03-30
Vendor Cisco Last vendor Modification 2016-03-30
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:L/Au:N/C:N/I:P/A:N)
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 malicious file detection and blocking features of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass malware detection mechanisms on an affected system.

The vulnerability is due to improper input validation of fields in HTTP headers. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to bypass malicious file detection or blocking policies that are configured for the system, which could allow malware to pass through the system undetected.

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:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160330-fp BEGIN PGP SIGNATURE Version: GnuPG v1.4.5 (SunOS)

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Original Source

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

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Application 9
Application 14

Alert History

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Date Informations
2016-04-01 17:26:42
  • Multiple Updates
2016-03-30 21:24:08
  • First insertion