CVE-2019-19781
An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2019-19781- CVSS 3.1
- 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
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List
9.8
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.
- Record
CVE-2019-19781- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2019-9380
9.8
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.
- Record
EUVD-2019-9380- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jjcm-f6q3-w5xj
9.8
An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1,...
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.
- Record
GHSA-jjcm-f6q3-w5xj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
CISA KEV No score
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability
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.
- Record
CVE-2019-19781- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Citrix ADC (NetScaler) Directory Traversal RCE | 2019-12-17 |
| PoC in GitHub | projectzeroindia/CVE-2019-19781 | 2020-01-10 |
| Exploit-DB | Citrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC) | 2020-01-11 |
| PoC in GitHub | becrevex/Citrix_CVE-2019-19781 | 2020-01-11 |
| PoC in GitHub | cisagov/check-cve-2019-19781 | 2020-01-11 |
| PoC in GitHub | ianxtianxt/CVE-2019-19781 | 2020-01-11 |
| PoC in GitHub | jas502n/CVE-2019-19781 | 2020-01-11 |
| PoC in GitHub | mpgn/CVE-2019-19781 | 2020-01-11 |
| PoC in GitHub | oways/CVE-2019-19781 | 2020-01-11 |
| PoC in GitHub | trustedsec/cve-2019-19781 | 2020-01-11 |
Show 21 moreShow less
Plus 19 more. The full list has every link.
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits_more | PoC in GitHub | |
| exploits_more | PoC in GitHub | |
| exploitation | ||
| exploits, exploits_more | ||
| exploits | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-19781 is a critical vulnerability (CVSS 9.8) in Citrix Application Delivery Controller (adc), Gateway, And Sd-wan Wanop Appliance, published December 27, 2019. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 100.0%, the 99th percentile. No source names a fixed version.
References
support.citrix.com/article/CTX267027
kb.cert.org/vuls/id/619785
twitter.com/bad_packets/status/1215431625766424576
badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781
forms.gle/eDf3DXZAv96oosfj6
packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html
Show 7 moreShow less
packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html
packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html
packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html
packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781
nvd.nist.gov/vuln/detail/CVE-2019-19781
github.com/advisories/GHSA-jjcm-f6q3-w5xj