Vulnerability identifier: #VU10831

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5314

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Citrix NetScaler Gateway
Server applications / Application servers
Citrix Netscaler ADC
Client/Desktop applications / Software for system administration

Vendor: Citrix

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to command injection. A remote attacker can bypass authentication on the management interface and execute arbitrary read-only commands.

Mitigation
Update to Citrix NetScaler Gateway 12.0 Build 53.13, 11.1 Build 55.13, 11.0 Build 70.16, Citrix NetScaler ADC 12.0 Build 53.13, 11.1 Build 55.13, 11.0 Build 70.16 or Citrix NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition 9.3.1 or later.

Vulnerable software versions

Citrix NetScaler Gateway: 11.0.70.12 - 12.0.53.6

Citrix Netscaler ADC: 11.0 70.12 - 12.0 53.6

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External links
http://support.citrix.com/article/CTX232199

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.