CVEvulnerability
CVE-2019-19781
CISA Known Exploited Vulnerability
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability — Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance
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.
- Added to KEV
- 2021-11-03
- Remediation due
- 2022-05-03
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2019-19781
- Status
- Analyzed
- Published
- 2019-12-27
- Last modified
- 2026-08-12
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-22
Description
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.
Affected configurations
• citrix application delivery controller firmware 10.5
• citrix application delivery controller firmware 11.1
• citrix application delivery controller firmware 12.0
• citrix application delivery controller firmware 12.1
• citrix application delivery controller firmware 13.0
• citrix netscaler gateway firmware 10.5
• citrix netscaler gateway firmware 11.1
• citrix netscaler gateway firmware 12.0
• citrix netscaler gateway firmware 12.1
• citrix gateway firmware 13.0
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html Third Party Advisory, VDB Entry
- https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/ Broken Link, Third Party Advisory
- https://forms.gle/eDf3DXZAv96oosfj6 Third Party Advisory
- https://support.citrix.com/article/CTX267027 Vendor Advisory
- https://twitter.com/bad_packets/status/1215431625766424576 Broken Link, Third Party Advisory
- https://www.kb.cert.org/vuls/id/619785 Third Party Advisory, US Government Resource
- http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html Third Party Advisory, VDB Entry
- https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/ Broken Link, Third Party Advisory
- https://forms.gle/eDf3DXZAv96oosfj6 Third Party Advisory
- https://support.citrix.com/article/CTX267027 Vendor Advisory
- https://twitter.com/bad_packets/status/1215431625766424576 Broken Link, Third Party Advisory
- https://www.kb.cert.org/vuls/id/619785 Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781 US Government Resource