CVE-2017-6316
Citrix Multiple Products Remote Code Execution Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Apr 15, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Source |
|---|---|---|
| NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server | Citrix (Cloud Software Group) | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2017-6316 scored CVSS 9.8: Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server, Citrix Multiple Products Remote Code Execution Vulnerability
CISA lists this as exploited in the wild. Unpatched NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
We have not published a story about this vulnerability yet.