CVE-2023-36844

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.<br /> <br /> Using a crafted request an attacker is able to modify <br /> <br /> certain PHP environment variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities.<br /> This issue affects Juniper Networks Junos OS on EX Series:<br /> <br /> <br /> <br /> * All versions prior to 20.4R3-S9;<br /> * 21.1 versions 21.1R1 and later;<br /> * 21.2 versions prior to 21.2R3-S7;<br /> * 21.3 versions <br /> <br /> prior to <br /> <br /> 21.3R3-S5;<br /> * 21.4 versions <br /> <br /> prior to <br /> <br /> 21.4R3-S5;<br /> * 22.1 versions <br /> <br /> prior to <br /> <br /> 22.1R3-S4;<br /> * 22.2 versions <br /> <br /> prior to <br /> <br /> 22.2R3-S2;<br /> * 22.3 versions <br /> <br /> prior to 22.3R3-S1;<br /> * 22.4 versions <br /> <br /> prior to <br /> <br /> 22.4R2-S2, 22.4R3;<br /> * 23.2 versions prior to <br /> <br /> 23.2R1-S1, 23.2R2.