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Vulnerabilities

Vulnerability · CVE-2017-6316

Citrix Multiple Products Remote Code Execution Vulnerability

Published Jul 19, 2017 · catalog updated Jun 16, 2026 · Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server

Patch now

CVE-2017-6316 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
73.03%
Remediation
Remediation guidance
Affected products
cpe citrix/netscaler sd-wan · vendor Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe citrix/netscaler sd-wanversion unspecified
  • vendor Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Serverversion unspecified

How to fix CVE-2017-6316

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-6316 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 73.03%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 19, 2017 · Catalog

    Detected

    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.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2017-6316

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2017-6316

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-6316

    30-day exploitation probability 73.0%

    first.org
  • Exploit DatabasePublic exploit reference42345

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference42346

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-2017-6316

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2017-6316

    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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.