VDB-93660 · CVE-2016-6461 · BID 94365

Cisco ASA 9.1(6.10) XML input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

A vulnerability was found in Cisco ASA 9.1(6.10) (Firewall Software). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a input validation vulnerability (XML). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 11/16/2016. The weakness was published 11/16/2016 with Raytheon as cisco-sa-20161116-asa / CSCva38556 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2016-6461 since 07/26/2016. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/04/2022). The advisory points out:

A vulnerability in the HTTP web-based management interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to inject arbitrary XML commands on the affected system.

The vulnerability scanner Nessus provides a plugin with the ID 96047 (Cisco ASA Web Interface Remote XML Command Injection (cisco-sa-20161116-asa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.

Upgrading to version 96.2(0.95), 97.1(6.30), 97.1(12.7), 97.1(0.55), 100.8(40.129), 100.15(0.137) or 100.11(0.75) eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (96047).

Productinfo

Type

Firewall Software

Vendor

Cisco

Name

License

commercial

Support

end of life (version)

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: XML
Class: Input validation / XML
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 96047
Nessus Name: Cisco ASA Web Interface Remote XML Command Injection (cisco-sa-20161116-asa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 850553
OpenVAS Name: Cisco ASA Input Validation File Injection Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ASA 96.2(0.95)/97.1(6.30)/97.1(12.7)/97.1(0.55)/100.8(40.129)/100.15(0.137)/100.11(0.75)

Timelineinfo

07/26/2016 🔍
11/16/2016 +113 days 🔍
11/16/2016 +0 days 🔍
11/16/2016 +0 days 🔍
11/16/2016 +0 days 🔍
11/17/2016 +1 days 🔍
11/17/2016 +0 days 🔍
11/18/2016 +1 days 🔍
12/21/2016 +33 days 🔍
10/04/2022 +2113 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20161116-asa / CSCva38556
Organization: Raytheon
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6461 (🔍)
SecurityTracker: 1037306
SecurityFocus: 94365 - Cisco ASA CVE-2016-6461 Command Injection Vulnerability

Entryinfo

Created: 11/17/2016 07:05 PM
Updated: 10/04/2022 08:55 AM
Changes: 11/17/2016 07:05 PM (70), 06/02/2019 03:39 PM (14), 10/04/2022 08:55 AM (3)
Complete: 🔍