CVE-2017-6316

Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute...

9.8 CriticalIn KEVPublic exploit

Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute arbitrary shell commands as root via a CGISESSID cookie. On CloudBridge (the former name of NetScaler SD-WAN) devices, the cookie name was CAKEPHP rather than CGISESSID.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

73.0%Up 61.9 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2017-6316
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2017-6316
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2017-15377 9.8

Record: EUVD-2017-15377
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9f8x-323m-6vw4 9.8

Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute...

Record: GHSA-9f8x-323m-6vw4
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

CISA KEV No score

Citrix Multiple Products Remote Code Execution Vulnerability

A vulnerability has been identified in the management interface of Citrix NetScaler SD-WAN Enterprise and Standard Edition and Citrix CloudBridge Virtual WAN Edition that could result in an unauthenticated, remote attacker being able to execute arbitrary code as a root user. This vulnerability also affects XenMobile Server.

Record: CVE-2017-6316
Weakness: CWE-20
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Netscaler SD-WAN 9.1.2.26.561201 - Command Injection (Metasploit)	2017-07-19
Exploit-DB	Citrix CloudBridge - 'CAKEPHP' Cookie Command Injection	2017-07-19

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-6316 is a critical vulnerability (CVSS 9.8) in Citrix Netscaler Sd-wan, published July 20, 2017. CISA lists it as known to be exploited, since March 25, 2022. EUVD reports exploitation since March 25, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 73.0%, the 99th percentile. No source names a fixed version.