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CVE-2019-19781 Directory traversal

Immediate
Remediate Within 48 Hours

CVE Information

Original CVE data

Published:
Updated:

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.

CWE: CWE-22
CVSS v27.5
AV:N/AC:L/AU:N/C:P/I:P/A:P
CVSS v39.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
https://support.citrix.com/article/CTX267027
https://www.kb.cert.org/vuls/id/619785
https://twitter.com/bad_packets/status/1215431625766424576
https://forms.gle/eDf3DXZAv96oosfj6
https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/
http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html
http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html
http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-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
Affected Vendors

Citrix - (3)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Directory traversal

CVSS Scores as calculated by PRIOnengine
CVSS v25
AV:N/AC:L/AU:N/C:P/I:N/A:N
CVSS v37.5
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
MITRE CWE Top 25

Vulnerability weakness type is in the top 25 CWEs according to MITRE. View Mitre Top 25 CWEs

Exploits

Exploits are available either through exploit packs, Github repos or the world wide web in general.

Active Exploitation

Vulnerability is referenced under CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

Vulnerability is mentioned or trending in social media.

Threat Actor Activity

Vulnerability is being actively exploited by threat actors during campaigns.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1190 - Exploit Public-Facing Application
T1133 - External Remote Services
T1083 - File and Directory Discovery
T1005 - Data from Local System

Compliance Impact

How the submited vulnerability affects compliance

-

Web Application Security Frameworks

Applicable if the issue likely affects a web application

WASC-19 - SQL Injection