Citrix Netscaler Application Delivery Controller up to 10.5 NS Web GUI Command access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Citrix Netscaler Application Delivery Controller and Netscaler Gateway up to 10.5. It has been rated as critical. The impacted element is an unknown function of the component NS Web GUI Command Handler. The manipulation leads to access control. This vulnerability is documented as CVE-2016-2071. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as very critical, has been found in Citrix Netscaler Application Delivery Controller and Netscaler Gateway up to 10.5 (Network Management Software). This issue affects an unknown function of the component NS Web GUI Command Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 11.x before 11.0 Build 64.34, 10.5 before 10.5 Build 59.13, and 10.5.e before Build 59.1305.e allows remote attackers to gain privileges via unspecified NS Web GUI commands.
The weakness was released 02/17/2016 with Deloitte (Website). It is possible to read the advisory at support.citrix.com. The identification of this vulnerability is CVE-2016-2071 since 01/25/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/08/2022). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 370312 (Citrix NetScaler ADC and Gateway Multiple Security Update (CTX206001)).
Upgrading to version 10.5 Build 59.13 or 11.0 Build 64.34 eliminates this vulnerability.
The vulnerability is also documented in the databases at SecurityFocus (BID 83226†) and Vulnerability Center (SBV-57019†). Entry connected to this vulnerability is available at VDB-81012. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.citrix.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
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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| Today | Unlock | Unlock | Unlock | Unlock |
OpenVAS ID: 801854
OpenVAS Name: Citrix NetScaler Application Delivery Controller and NetScaler Gateway Multiple Security Updates (CTX206001)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Netscaler Application Delivery Controller/Netscaler Gateway 10.5 Build 59.13/11.0 Build 64.34
Timeline
01/25/2016 🔍02/09/2016 🔍
02/09/2016 🔍
02/17/2016 🔍
02/17/2016 🔍
02/18/2016 🔍
03/06/2016 🔍
07/08/2022 🔍
Sources
Vendor: citrix.comAdvisory: support.citrix.com
Organization: Deloitte
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-2071 (🔍)
GCVE (CVE): GCVE-0-2016-2071
GCVE (VulDB): GCVE-100-81011
SecurityFocus: 83226 - Citrix NetScaler Application Delivery Controller and Gateway Privilege Escalation Vulnerability
SecurityTracker: 1035098
Vulnerability Center: 57019 - Citrix NetScaler ADC and NetScaler Gateway Remote Privilege Elevation via NS Web GUI, High
See also: 🔍
Entry
Created: 02/18/2016 09:03Updated: 07/08/2022 08:40
Changes: 02/18/2016 09:03 (61), 09/01/2018 08:45 (16), 07/08/2022 08:40 (3)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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