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CVE-2019-19781
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…
Critical9.8Known exploitedEPSS 100.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://support.citrix.com/article/CTX267027 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#619785 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://twitter.com/bad_packets/status/1215431625766424576 (opens in a new tab)x_refsource_MISCx_transferred
- https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/ (opens in a new tab)x_refsource_MISCx_transferred
- https://forms.gle/eDf3DXZAv96oosfj6 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-19781)Record last updated .