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

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CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

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 privilege escalation vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 09/26/2017. The weakness was published 09/26/2017 by Frank Gifford 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 combined. 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 SecurityFocus (BID 100980) and Tenable (103467).

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VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2infoedit

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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

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Countermeasuresinfoedit

Recommended: Patch
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0-Day Time: 🔍

Timelineinfoedit

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 🔍

Sourcesinfoedit

Vendor: https://www.citrix.com/

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

CVE: CVE-2017-14602 (🔍)
SecurityFocus: 100980 - Citrix NetScaler ADC and NetScaler Gateway CVE-2017-14602 Authentication Bypass Vulnerability

Entryinfoedit

Created: 09/27/2017 08:51 AM
Updated: 01/14/2021 02:31 PM
Changes: (2) advisory_person_name vulnerability_cvss2_nvd_basescore
Complete: 🔍

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