CVE-2020-11581

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, allows a man-in-the-middle attacker to perform OS command injection attacks (against a client) via shell metacharacters to the doCustomRemediateInstructions method, because Runtime.getRuntime().exec() is used.

Se detectó un problema en Pulse Secure Pulse Connect Secure (PCS) hasta el 06-04-2020. El applet en el archivo tncc.jar, ejecutado en clientes macOS, Linux y Solaris, cuando se aplica una política Host Checker, permite que un atacante de tipo man-in-the-middle lleve a cabo ataques de inyección de comandos del Sistema Operativo (contra un cliente) por medio de metacaracteres de shell en el Método doCustomRemediateInstructions, porque es usada la función Runtime.getRuntime().exec()

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-06 CVE Reserved
2020-04-06 CVE Published
2024-03-13 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://git.lsd.cat/g/pulse-host-checker-rce	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44426	2021-09-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pulsesecure Search vendor "Pulsesecure"	Pulse Connect Secure Search vendor "Pulsesecure" for product "Pulse Connect Secure"	<= 2020-04-06 Search vendor "Pulsesecure" for product "Pulse Connect Secure" and version " <= 2020-04-06"	-	Affected	in	Apple Search vendor "Apple"	Macos Search vendor "Apple" for product "Macos"	-	-	Safe
Pulsesecure Search vendor "Pulsesecure"	Pulse Connect Secure Search vendor "Pulsesecure" for product "Pulse Connect Secure"	<= 2020-04-06 Search vendor "Pulsesecure" for product "Pulse Connect Secure" and version " <= 2020-04-06"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe
Pulsesecure Search vendor "Pulsesecure"	Pulse Connect Secure Search vendor "Pulsesecure" for product "Pulse Connect Secure"	<= 2020-04-06 Search vendor "Pulsesecure" for product "Pulse Connect Secure" and version " <= 2020-04-06"	-	Affected	in	Oracle Search vendor "Oracle"	Solaris Search vendor "Oracle" for product "Solaris"	-	-	Safe
Pulsesecure Search vendor "Pulsesecure"		Pulse Policy Secure Search vendor "Pulsesecure" for product "Pulse Policy Secure"				-		-		Affected