Cisco ASA SSL VPN input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Cisco ASA (Firewall Software) (version unknown). Affected is some unknown processing of the component SSL VPN. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-20. This is going to have an impact on integrity.

The weakness was disclosed 10/08/2014 by Alec Stuart-Muirk as cisco-sa-20141008-asa as confirmed advisory (Website). The advisory is shared for download at This vulnerability is traded as CVE-2014-3393 since 05/07/2014. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 78240 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43423 (Multiple Vulnerabilities in Cisco ASA Software (cisco-sa-20141008-asa)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 21412.

The vulnerability is also documented in the databases at SecurityFocus (BID 70309), X-Force (96865), SecurityTracker (ID 1030979), Vulnerability Center (SBV-46386) and Tenable (78240). The entries 67741, 67742, 67743 and 67744 are pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
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Class: Privilege escalation (CWE-20)
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Current Price Estimation: 🔍


Nessus ID: 78240
Nessus File: 🔍

OpenVAS ID: 800316
OpenVAS Name: Cisco ASA Clientless SSL VPN Portal Customization Integrity Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

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Recommended: Upgrade
Status: 🔍

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05/07/2014 🔍
10/08/2014 +154 days 🔍
10/08/2014 +0 days 🔍
10/08/2014 +0 days 🔍
10/08/2014 +0 days 🔍
10/09/2014 +1 days 🔍
10/09/2014 +0 days 🔍
10/09/2014 +0 days 🔍
10/10/2014 +1 days 🔍
03/15/2016 +522 days 🔍
06/08/2017 +450 days 🔍



Advisory: cisco-sa-20141008-asa
Researcher: Alec Stuart-Muirk
Status: Confirmed

CVE: CVE-2014-3393 (🔍)

SecurityFocus: 70309 - Cisco Adaptive Security Appliance (ASA) Software CVE-2014-3393 Remote Security Bypass Vulnerability
X-Force: 96865 - Cisco Adaptive Security Appliance SSL VPN security bypass, Medium Risk
SecurityTracker: 1030979 - Cisco ASA Multiple Bugs Let Remote Authenticated Users Execute Arbitrary Code, Remote Users Deny Service and Conduct Cross-Site Scripting Attacks, and Local Users Gain Elevated Privileges
Vulnerability Center: 46386 - [cisco-sa-20141008-asa] Cisco ASA Remote XSS via Modifying Customization Objects - CVE-2014-3393, Medium

See also: 🔍


Created: 10/09/2014 01:49 PM
Updated: 06/08/2017 09:10 AM
Changes: (6) advisory_disputed source_openvas_id source_openvas_filename source_openvas_title source_openvas_family source_tippingpoint_id
Complete: 🔍


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