CVE-2023-36847

A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity.<br /> <br /> <br /> <br /> <br /> <br /> With a specific request to installAppPackage.php that doesn&amp;#39;t require authentication an attacker is able to upload arbitrary files via J-Web, leading to a loss of <br /> <br /> integrity<br /> <br /> for a certain <br /> <br /> part of the file system, which may allow chaining to other vulnerabilities.<br /> <br /> <br /> This issue affects Juniper Networks Junos OS on EX Series:<br /> <br /> <br /> <br /> * All versions prior to 20.4R3-S8;<br /> * 21.1 versions 21.1R1 and later;<br /> * 21.2 versions prior to 21.2R3-S6;<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-S4;<br /> * 22.1 versions <br /> <br /> prior to <br /> <br /> 22.1R3-S3;<br /> * 22.2 versions <br /> <br /> prior to <br /> <br /> 22.2R3-S1;<br /> * 22.3 versions <br /> <br /> prior to <br /> <br /> 22.3R2-S2, 22.3R3;<br /> * 22.4 versions <br /> <br /> prior to <br /> <br /> 22.4R2-S1, 22.4R3.<br /> <br /> <br /> <br /> <br />