Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

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/application delivery controller firmware10.5
• cpe citrix/application delivery controller firmware11.1
• cpe citrix/application delivery controller firmware12.0
• cpe citrix/application delivery controller firmware12.1
• cpe citrix/application delivery controller firmware13.0
• cpe citrix/gateway firmware13.0
• cpe citrix/netscaler gateway firmware10.5
• cpe citrix/netscaler gateway firmware11.1
• cpe citrix/netscaler gateway firmware12.0
• vendor Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Applianceversion unspecified

How to fix CVE-2019-19781

• Recommended remediation

  Apply updates per vendor instructions. CISA due date May 3, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • Packet Storm Security · packetstormsecurity.com
  • Packet Storm Security · packetstormsecurity.com

What to do

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

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. Dec 27, 2019 · Catalog

   Detected

   Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 3, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Aug 11, 2026 · Catalog

   Updated

   Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

Sources

• CISA KEVConfirmed exploitationCVE-2019-19781

  Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

  cisa.gov
• CVE.orgVulnerability recordCVE-2019-19781

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2019-19781

  30-day exploitation probability 100.0%

  first.org
• Exploit DatabasePublic exploit reference47901

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

  exploit-db.com
• Exploit DatabasePublic exploit reference47913

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

  exploit-db.com
• Exploit DatabasePublic exploit reference47930

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

  exploit-db.com
• Metasploit ModulesPublic exploit moduleauxiliary_scanner/http/citrix_dir_traversal

  Public module reference (normal). Module source is not copied into this catalog.

  rapid7.com
• Metasploit ModulesPublic exploit moduleexploit_freebsd/http/citrix_dir_traversal_rce

  Public module reference (excellent). Module source is not copied into this catalog.

  rapid7.com
• NIST NVDVulnerability recordCVE-2019-19781

  An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.

  nvd.nist.gov
• Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com
• Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com
• Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com
• Packet Storm SecurityCited referencepacketstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com
• Packet Storm SecurityCited referencetp://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html

  Packet Storm link already published on the finding.

  packetstormsecurity.com
• VulnCheck KEVConfirmed exploitationCVE-2019-19781

  Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

  vulncheck.com

References

• Third Party Advisory · packetstormsecurity.com
• Third Party Advisory · packetstormsecurity.com
• Third Party Advisory · packetstormsecurity.com
• Third Party Advisory · packetstormsecurity.com
• Third Party Advisory · packetstormsecurity.com
• Broken Link · badpackets.net
• VulnCheck exploitation evidence · blog.talosintelligence.com
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · diriga.com
• CISA note · nvd.nist.gov
• Vendor Advisory · support.citrix.com
• VulnCheck exploitation evidence · fireeye.com
• VulnCheck exploitation evidence · mandiant.com

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.