CVE-2019-19781: Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

CVE-2019-19781 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

Citrix ADC, Gateway, and SD-WAN WANOP appliances are vulnerable to a directory traversal flaw. An unauthenticated remote attacker can exploit this to perform arbitrary code execution on the affected system.

Technologies: Citrix Application Delivery Controller (ADC), Citrix Gateway, Citrix Sd-Wan Wanop Appliance. Vendors: Citrix.

Quick answers

Is CVE-2019-19781 exploited in the wild?
Yes. CVE-2019-19781 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2019-19781?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
Citrix Application Delivery Controller (ADC) 10.5, 11.1, 12.0, 12.1, 13.0; Citrix Gateway 10.5, 11.1, 12.0, 12.1, 13.0; Citrix SD-WAN WANOP.
Is there a fix for CVE-2019-19781?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-19781 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2019-19781?
Check whether you run Citrix Application Delivery Controller (ADC), Citrix Gateway or Citrix Sd-Wan Wanop Appliance. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Citrix Application Delivery Controller (ADC) 10.5, 11.1, 12.0, 12.1, 13.0
  • Citrix Gateway 10.5, 11.1, 12.0, 12.1, 13.0
  • Citrix SD-WAN WANOP

Timeline

  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: disclosed

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