Citrix Netscaler Application Delivery Controller up to 12.0 Management Interface access control

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Citrix Netscaler Application Delivery Controller up to 12.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Management Interface. The manipulation leads to access control. This vulnerability is known as CVE-2017-14602. The attack can be launched remotely. There is no exploit available. It is recommended to apply a patch to fix this issue. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in Citrix Netscaler Application Delivery Controller up to 12.0 (Network Management Software). It has been classified as critical. Affected is an unknown code of the component Management Interface. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in the management interface of Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.1 before build 135.18, 10.5 before build 66.9, 10.5e before build 60.7010.e, 11.0 before build 70.16, 11.1 before build 55.13, and 12.0 before build 53.13 (except for build 41.24) that, if exploited, could allow an attacker with access to the NetScaler management interface to gain administrative access to the appliance.

The bug was discovered 09/26/2017. The weakness was published 09/26/2017 with NCC Group (Website). The advisory is shared for download at support.citrix.com. This vulnerability is traded as CVE-2017-14602 since 09/19/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 103467 (Citrix NetScaler Authentication Bypass Vulnerability (CTX227928)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370583 (Citrix NetScaler ADC and Gateway Authentication Bypass Vulnerability (CTX227928)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103467) and SecurityFocus (BID 100980†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 103467
Nessus Name: Citrix NetScaler Authentication Bypass Vulnerability (CTX227928)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2017 🔍
09/25/2017 +6 days 🔍
09/25/2017 +0 days 🔍
09/26/2017 +1 days 🔍
09/26/2017 +0 days 🔍
09/26/2017 +0 days 🔍
09/26/2017 +0 days 🔍
09/27/2017 +1 days 🔍
01/14/2021 +1205 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Researcher: Frank Gifford
Organization: NCC Group
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14602 (🔍)
GCVE (CVE): GCVE-0-2017-14602
GCVE (VulDB): GCVE-100-107160
SecurityFocus: 100980 - Citrix NetScaler ADC and NetScaler Gateway CVE-2017-14602 Authentication Bypass Vulnerability

Entryinfo

Created: 09/27/2017 08:51
Updated: 01/14/2021 14:31
Changes: 09/27/2017 08:51 (68), 11/19/2019 20:10 (6), 01/14/2021 14:31 (2)
Complete: 🔍
Cache ID: 216:1AE:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!