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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 Traversal.

    Published:Dec 27, 2019
    Last Modified:Nov 7, 2025
    EPS:Dec 27, 2019
    EPSS Score:0.94442
    CVSS Score:9.8

    CISA Notification

    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.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Citrix
    Product
    Application Delivery Controller
    Vendor
    Citrix
    Product
    Application Delivery Controller Firmware
    Vendor
    Citrix
    Product
    Gateway
    Vendor
    Citrix
    Product
    Gateway Firmware
    Vendor
    Citrix
    Product
    Netscaler Gateway
    Vendor
    Citrix
    Product
    Netscaler Gateway Firmware

    Exploits

    https://www.exploit-db.com/exploits/47930https://github.com/0xams/citrixvulncheckhttps://github.com/andripwn/CVE-2019-19781https://github.com/aqhmal/CVE-2019-19781https://github.com/autocode07/cisagov__check-cve-2019-19781.4142e02bhttps://github.com/awesome-security/citrixmash_scannerhttps://github.com/Azeemering/CVE-2019-19781-DFIR-Noteshttps://github.com/b510/CVE-2019-19781https://github.com/becrevex/Citrix_CVE-2019-19781https://github.com/Castaldio86/Detect-CVE-2019-19781https://github.com/cisagov/check-cve-2019-19781https://github.com/citrix/ioc-scanner-CVE-2019-19781https://github.com/DanielWep/CVE-NetScalerFileSystemCheckhttps://github.com/darren646/CVE-2019-19781POChttps://github.com/digitalgangst/massCitrixhttps://github.com/digitalshadows/CVE-2019-19781_IOCshttps://github.com/EliusHHimel/citrix-honeypothttps://github.com/hollerith/CVE-2019-19781https://github.com/ianxtianxt/CVE-2019-19781https://github.com/j81blog/ADC-19781https://github.com/jamesjguthrie/Shitrix-CVE-2019-19781https://github.com/jas502n/CVE-2019-19781https://github.com/k-fire/CVE-2019-19781-exploithttps://github.com/L4r1k/CitrixNetscalerAnalysishttps://github.com/MalwareTech/CitrixHoneypothttps://github.com/mandiant/ioc-scanner-CVE-2019-19781https://github.com/mekhalleh/citrix_dir_traversal_rcehttps://github.com/mpgn/CVE-2019-19781https://github.com/nmanzi/webcvescannerhttps://github.com/onSec-fr/CVE-2019-19781-Forensichttps://github.com/oways/CVE-2019-19781https://github.com/projectzeroindia/CVE-2019-19781https://github.com/pwn3z/CVE-2019-19781-Citrixhttps://github.com/qiong-qi/CVE-2019-19781-pochttps://github.com/r4ulcl/CVE-2019-19781https://github.com/redscan/CVE-2019-19781https://github.com/Roshi99/Remote-Code-Execution-Exploit-for-Citrix-Application-Delivery-Controller-and-Citrix-Gateway-CVE-201https://github.com/SharpHack/CVE-2019-19781https://github.com/tpdlshdmlrkfmcla/CVE-2019-19781https://github.com/trustedsec/cve-2019-19781https://github.com/unknowndevice64/Exploits_CVE-2019-19781https://github.com/VladRico/CVE-2019-19781https://github.com/Vulnmachines/Ctirix_RCE-CVE-2019-19781https://github.com/w4fz5uck5/CVE-2019-19781-CitrixRCEhttps://github.com/yukar1z0e/CVE-2019-19781https://github.com/zerobytesecure/CVE-2019-19781https://github.com/zgelici/CVE-2019-19781-Checkerhttps://www.exploit-db.com/exploits/47901https://www.exploit-db.com/exploits/47913

    Related CVEs

    CVE-2023-24487 (CVSS 6.3) — Arbitrary file read in Citrix ADC and Citrix Gateway …
    CVE-2023-24488 (CVSS 6.1) — Cross site scripting vulnerability in Citrix ADC and Citrix Gateway  in allows and attacker to perform cross s…
    CVE-2022-27508 (CVSS 7.5) — Unauthenticated denial of service…
    CVE-2022-27507 (CVSS 6.5) — Authenticated denial of service…
    CVE-2019-18177 (CVSS 6.5) — In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is …
    CVE-2022-27518 (CVSS 9.8) — Unauthenticated remote arbitrary code execution…
    CVE-2022-27516 (CVSS 5.3) — User login brute force protection functionality bypass …
    CVE-2022-27510 (CVSS 9.8) — Unauthorized access to Gateway user capabilities …
    CVE-2022-27513 (CVSS 8.3) — Remote desktop takeover via phishing …
    CVE-2022-27509 (CVSS 6.1) — Unauthenticated redirection to a malicious website…

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High