CVE-2019-19781
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability
Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceNetwork & edge
CVSS
9.8CriticalExploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 17 Dec 2019Exploit code publicMetasploit
- 27 Dec 2019, 13:06 UTCPublishedCVE List
- 3 Nov 2021Added to CISA KEVCISA KEV
Public exploit code and templates 6
- Exploit moduleCitrix ADC (NetScaler) Directory Traversal RCE 17 Dec 2019Metasploit
- Auxiliary moduleCitrix ADC (NetScaler) Directory Traversal Scanner 17 Dec 2019Metasploit
- Webapps exploitCitrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal 16 Jan 2020Exploit-DB
- Webapps exploitCitrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC) 11 Jan 2020Exploit-DB
- Webapps exploitCitrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit) 13 Jan 2020Exploit-DB
- Scanner templateCitrix ADC and Gateway - Directory TraversalNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
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.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 7
- kb.cert.org/vuls/id/619785Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2019-19781Referencevia CISA KEV
- support.citrix.com/article/CTX267027Referencevia CVE List
- twitter.com/bad_packets/status/1215431625766424576Referencevia CVE List
- badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/Referencevia CVE List
- forms.gle/eDf3DXZAv96oosfj6Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781Referencevia CVE List