CVE-2019-19781: citrix application delivery controller firmw…

csirt@kutim:~/threat-intel/cve/CVE-2019-19781

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 100,0%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada citrix application delivery controller firmware, citrix netscaler gateway firmware +1 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 27 Desember 2019
Terakhir diubah: 12 Agustus 2026
Status NVD: Analyzed
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS (30 hari): 100,0% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama: Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability
Masuk KEV: 3 November 2021
Tenggat CISA: 3 Mei 2022 (untuk instansi federal AS)
Ransomware: Tercatat dipakai dalam kampanye ransomware
Tindakan wajib: Apply updates per vendor instructions.

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
citrix	application delivery controller firmware	Versi 10.5
citrix	application delivery controller firmware	Versi 11.1
citrix	application delivery controller firmware	Versi 12.0
citrix	application delivery controller firmware	Versi 12.1
citrix	application delivery controller firmware	Versi 13.0
citrix	netscaler gateway firmware	Versi 10.5
citrix	netscaler gateway firmware	Versi 11.1
citrix	netscaler gateway firmware	Versi 12.0
citrix	netscaler gateway firmware	Versi 12.1
citrix	gateway firmware	Versi 13.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://support.citrix.com/article/CTX267027 advisory vendor
https://www.kb.cert.org/vuls/id/619785 advisory pihak ketiga · pemerintah AS
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781 pemerintah AS
http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Executi... advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Executi... advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Ex... advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.htm... advisory pihak ketiga · vdb entry
http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html advisory pihak ketiga · vdb entry
https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/ broken link · advisory pihak ketiga
https://forms.gle/eDf3DXZAv96oosfj6 advisory pihak ketiga
https://twitter.com/bad_packets/status/1215431625766424576 broken link · advisory pihak ketiga

Sumber: NVD · CVE.org · KEV CISA · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.