Intel Unified Contact Center j_spring_security_switch_user Account 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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Intel Unified Contact Center. It has been classified as critical. This vulnerability affects the function j_spring_security_switch_user. The manipulation leads to input validation (Account). This vulnerability is uniquely identified as CVE-2016-6426. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Intel Unified Contact Center (unknown version). It has been rated as critical. This issue affects the function j_spring_security_switch_user. The manipulation with an unknown input leads to a input validation vulnerability (Account). Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The j_spring_security_switch_user function in Cisco Unified Intelligence Center (CUIC) 8.5.4 through 9.1(1), as used in Unified Contact Center Express 10.0(1) through 11.0(1), allows remote attackers to create user accounts by visiting an unspecified web page, aka Bug IDs CSCuy75027 and CSCuy81653.

The weakness was disclosed 10/05/2016 with Cisco as CSCuy75027 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2016-6426 since 07/26/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/22/2022).

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93420†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Intel

Name

Unified Contact Center

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Account
Class: Input validation / Account
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
10/05/2016 +71 days 🔍
10/05/2016 +0 days 🔍
10/05/2016 +0 days 🔍
10/06/2016 +1 days 🔍
09/22/2022 +2177 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: CSCuy75027
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-6426 (🔍)
GCVE (CVE): GCVE-0-2016-6426
GCVE (VulDB): GCVE-100-92447
SecurityFocus: 93420 - Multiple Cisco Unified Products CVE-2016-6426 Security Bypass Vulnerability
SecurityTracker: 1036952

Entryinfo

Created: 10/06/2016 09:33
Updated: 09/22/2022 13:46
Changes: 10/06/2016 09:33 (51), 05/03/2019 09:12 (12), 09/22/2022 13:46 (3)
Complete: 🔍
Cache ID: 216:3DE:103