CVE-2019-12991

Citrix SD-WAN and NetScaler Command Injection Vulnerability

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 5 of 6).

SD-WAN versiones 10.2.x anteriores a 10.2.3 de Citrix y SD-WAN versiones 10.0.x anteriores a 10.0.8 de NetScaler, presentan una Comprobación de Entrada Inapropiada (problema 5 de 6).

Citrix SD-WAN Appliance version 10.2.2 suffers from authentication bypass and remote command execution vulnerabilities.

Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-06-26 CVE Reserved
2019-07-12 First Exploit
2019-07-15 CVE Published
2022-03-25 Exploited in Wild
2022-04-15 KEV Due Date
2024-08-04 CVE Updated
2024-09-01 EPSS Updated

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (5)

URL	Tag	Source
http://www.securityfocus.com/bid/109133	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/47112	2019-07-12
http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.html	2024-08-04
https://www.tenable.com/security/research/tra-2019-32	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://support.citrix.com/article/CTX251987	2020-08-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Citrix Search vendor "Citrix"		Netscaler Sd-wan Search vendor "Citrix" for product "Netscaler Sd-wan"				>= 10.0 < 10.0.8 Search vendor "Citrix" for product "Netscaler Sd-wan" and version " >= 10.0 < 10.0.8"		-		Affected
Citrix Search vendor "Citrix"		Sd-wan Search vendor "Citrix" for product "Sd-wan"				>= 10.2 < 10.2.3 Search vendor "Citrix" for product "Sd-wan" and version " >= 10.2 < 10.2.3"		-		Affected