Check Point Advisories

Juniper Junos Remote Code Execution (CVE-2023-36844; CVE-2023-36845; CVE-2023-36846; CVE-2023-36847; CVE-2023-36851)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0738
Date Published:	30 Aug 2023
Severity:	Critical
Last Updated:	Sunday 09 February, 2025
Source:
Industry Reference:	CVE-2023-36844 CVE-2023-36845 CVE-2023-36846 CVE-2023-36847 CVE-2023-36851
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Juniper Junos prior to 20.4 Juniper Junos 20.4 Juniper Junos 20.4 R1 Juniper Junos 20.4 R1-S1 Juniper Junos 20.4 R2 Juniper Junos 20.4 R2-S1 Juniper Junos 20.4 R2-s2 Juniper Junos 20.4 R3 Juniper Junos 20.4 R3-s1 Juniper Junos 20.4 R3-S2 Juniper Junos 20.4 R3-S3 Juniper Junos 20.4 R3-S4 Juniper Junos 20.4 R3-S5 Juniper Junos 20.4 R3-S6 Juniper Junos 20.4 R3-S7 Juniper Junos 21.1 R1 Juniper Junos 21.1 R1-S1 Juniper Junos 21.1 R2 Juniper Junos 21.1 R2-S1 Juniper Junos 21.1 R2-S2 Juniper Junos 21.1 R3 Juniper Junos 21.1 R3-S1 Juniper Junos 21.1 R3-S2 Juniper Junos 21.1 R3-S3 Juniper Junos 21.1 R3-S4 Juniper Junos 21.1 R3-S5 Juniper Junos 21.2 Juniper Junos 21.2 R1 Juniper Junos 21.2 R1-S1 Juniper Junos 21.2 R1-S2 Juniper Junos 21.2 R2 Juniper Junos 21.2 R2-S1 Juniper Junos 21.2 R2-S2 Juniper Junos 21.2 R3 Juniper Junos 21.2 R3-s1 Juniper Junos 21.2 R3-S2 Juniper Junos 21.2 R3-S3 Juniper Junos 21.2 R3-S4 Juniper Junos 21.2 R3-S5 Juniper Junos 21.3 - Juniper Junos 21.3 R1 Juniper Junos 21.3 R1-S1 Juniper Junos 21.3 R1-S2 Juniper Junos 21.3 R2 Juniper Junos 21.3 R2-S1 Juniper Junos 21.3 R2-S2 Juniper Junos 21.3 R3 Juniper Junos 21.3 R3-S1 Juniper Junos 21.3 R3-S2 Juniper Junos 21.3 R3-S3 Juniper Junos 21.3 R3-S4 Juniper Junos 21.4 - Juniper Junos 21.4 R1 Juniper Junos 21.4 R1-S1 Juniper Junos 21.4 R1-S2 Juniper Junos 21.4 R2 Juniper Junos 21.4 R2-S1 Juniper Junos 21.4 R2-S2 Juniper Junos 21.4 R3 Juniper Junos 21.4 R3-S1 Juniper Junos 21.4 R3-S2 Juniper Junos 21.4 R3-S3 Juniper Junos 21.4 R3-S4 Juniper Junos 22.1 R1 Juniper Junos 22.1 R1-S1 Juniper Junos 22.1 R1-S2 Juniper Junos 22.1 R2 Juniper Junos 22.1 R2-S1 Juniper Junos 22.1 R2-S2 Juniper Junos 22.1 R3 Juniper Junos 22.1 R3-S1 Juniper Junos 22.1 R3-S2 Juniper Junos 22.2 R1 Juniper Junos 22.2 R1-S1 Juniper Junos 22.2 R1-S2 Juniper Junos 22.2 R2 Juniper Junos 22.2 R2-S1 Juniper Junos 22.2 R2-S2 Juniper Junos 22.2 R3 Juniper Junos 22.2 R3-S1 Juniper Junos 22.3 R1 Juniper Junos 22.3 R1-S1 Juniper Junos 22.3 R1-S2 Juniper Junos 22.3 R2 Juniper Junos 22.3 R2-S1 Juniper Junos 22.4 R1 Juniper Junos 22.4 R1-S1 Juniper Junos 22.4 R1-S2 Juniper Junos 22.4 R2
Vulnerability Description	A remote code execution vulnerability exists in Juniper Junos. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Juniper Junos Remote Code Execution protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Juniper Junos Remote Code Execution