CVE-2017-6316
Published 2017-07-20 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2017-6316 is a critical-severity (CVSS 9.8) vulnerability in Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server. CISA added it to the Known Exploited Vulnerabilities catalog on March 25, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 15, 2022. CISA does not currently list it as used in ransomware campaigns. Citrix has 27 vulnerabilities in the KEV catalog, 7 of them linked to ransomware.
All 27 known-exploited Citrix vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Citrix — NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server
Name: Citrix Multiple Products Remote Code Execution Vulnerability
Date added: 2022-03-25 · Due: 2022-04-15
Required action: Apply updates per vendor instructions.
References
- http://www.securityfocus.com/bid/99943
- http://www.securitytracker.com/id/1039019
- https://support.citrix.com/article/CTX225990
- https://www.exploit-db.com/exploits/42345/
- https://www.exploit-db.com/exploits/42346/
- http://www.securityfocus.com/bid/99943
- http://www.securitytracker.com/id/1039019
- https://support.citrix.com/article/CTX225990