Vulnerability — CVE-2023-36844

CVE-2023-36844

Reference to the description:: https://nvd.nist.gov/vuln/detail/CVE-2023-36844
Description:: A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities. This issue affects Juniper Networks Junos OS on EX Series: * All versions prior to 20.4R3-S9; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S7; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S5; * 22.1 versions prior to 22.1R3-S4; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R3-S1; * 22.4 versions prior to 22.4R2-S2, 22.4R3; * 23.2 versions prior to 23.2R1-S1, 23.2R2.
Last updated date:: 10/02/2023

ACTIVELY EXPLOITED

Type:: exploitation
Confidence:: HIGH
Date of publishing:: 11/08/2023
Reference url to background: https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US

Type:: exploitation
Confidence:: HIGH
Date of publishing:: 11/13/2023
Reference url to background: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Type:: exploit
Confidence:: HIGH
Date of publishing:: 08/25/2023
Reference url to background: https://github.com/watchtowrlabs/juniper-rce_cve-2023-36844