CVE-2019-19781

critical

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.

From the Tenable Blog

CVE-2019-19781: Exploit Scripts for Remote Code Execution Vulnerability in Citrix ADC and Gateway Available
CVE-2019-19781: Exploit Scripts for Remote Code Execution Vulnerability in Citrix ADC and Gateway Available

Published: 2020-01-11

Attackers are actively probing for vulnerable Citrix Application Delivery Controller (ADC) and Gateway hosts, while multiple proof-of-concept scripts are released, emphasizing the importance of mitigating this flaw immediately.

CVE-2019-19781: Critical Vulnerability in Citrix ADC and Gateway Sees Active Exploitation While Patches are Still Not Available
CVE-2019-19781: Critical Vulnerability in Citrix ADC and Gateway Sees Active Exploitation While Patches are Still Not Available

Published: 2020-01-17

Following the release of exploit scripts for a critical flaw in Citrix Application Delivery Controller (ADC) and Gateway, attackers launch attacks against vulnerable hosts, while Citrix announces release date for patches UPDATE 01/24/2020: This blog post has been updated to reflect the availability of patches released by Citrix. Background Attacks Increase After Exploit Scripts Released

CVE-2019-19781: Unauthenticated Remote Code Execution Vulnerability in Citrix ADCs and Gateways
CVE-2019-19781: Unauthenticated Remote Code Execution Vulnerability in Citrix ADCs and Gateways

Published: 2019-12-23

Citrix urges customers to apply mitigation steps for CVE-2019-19781, a remote code execution vulnerability exploitable through specially crafted HTTP requests to vulnerable devices.

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://support.citrix.com/article/CTX267027

https://www.cisa.gov/sites/default/files/2023-08/aa23-215a_joint_csa_2022_top_routinely_exploited_vulnerabilities.pdf

https://www.kb.cert.org/vuls/id/619785

Details

Source: Mitre, NVD

Published: 2019-12-27

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical