CVE-2019-19781
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability
IN CISA KEV
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.
- Vendor
- Citrix
- Product
- Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance
- CVSS 3.1
- 9.8 (critical), scored by NVD (primary)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1
- 9.8 (critical), scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-22
- Published
- 2019-12-27
- NVD modified
- 2026-08-12
- NVD status
- Analyzed
CISA KEV
- Date added
- 2021-11-03
- Due date
- 2022-05-03
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
EPSS
100% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
References
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- badpackets.net (Broken Link, Third Party Advisory)
- forms.gle (Third Party Advisory)
- support.citrix.com (Vendor Advisory)
- twitter.com (Broken Link, Third Party Advisory)
- www.kb.cert.org (Third Party Advisory, US Government Resource)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
- packetstormsecurity.com (Third Party Advisory, VDB Entry)
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.