"value":"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.\n\n\n\n\n\nWith a specific request that doesn't require authentication an attacker is able to upload arbitrary files via J-Web, leading to a loss of \n\nintegrity\n\nfor a certain \n\npart of the file system, which may allow chaining to other vulnerabilities.\n\n\nThis issue affects Juniper Networks Junos OS on EX Series:\n\n\n\n * All versions prior to 20.4R3-S8;\n * 21.2 versions prior to 21.2R3-S6;\n * 21.3 versions \n\nprior to \n\n 21.3R3-S5;\n * 21.4 versions \n\nprior to \n\n21.4R3-S4;\n * 22.1 versions \n\nprior to \n\n22.1R3-S3;\n * 22.2 versions \n\nprior to \n\n22.2R3-S1;\n * 22.3 versions \n\nprior to \n\n22.3R2-S2, 22.3R3;\n * 22.4 versions \n\nprior to \n\n22.4R2-S1, 22.4R3.\n\n\n\n\n"
}
]
},
"problemtype":{
"problemtype_data":[
{
"description":[
{
"lang":"eng",
"value":"CWE-306 Missing Authentication for Critical Function",
"value":"\n\n \n\n\n\n\n\n\n\n<p>The following minimal configuration is necessary:</p><code> [system services web-management http]</code><p>or</p><code> [system services web-management https]</code><br>"
}
],
"value":"\n \n\n\n\n\n\n\n\nThe following minimal configuration is necessary:\n\n\u00a0 [system services web-management http]or\n\n\u00a0 [system services web-management https]\n"
}
],
"work_around":[
{
"lang":"en",
"supportingMedia":[
{
"base64":false,
"type":"text/html",
"value":"\n\n\n\n\n\n\n\nDisable J-Web, or limit access to only trusted hosts.<br>"
}
],
"value":"\n\n\n\n\n\n\nDisable J-Web, or limit access to only trusted hosts.\n"
}
],
"exploit":[
{
"lang":"en",
"supportingMedia":[
{
"base64":false,
"type":"text/html",
"value":"\n\nJuniper SIRT is not aware of any malicious exploitation of this vulnerability.<br>"
}
],
"value":"\nJuniper SIRT is not aware of any malicious exploitation of this vulnerability.\n"
}
],
"solution":[
{
"lang":"en",
"supportingMedia":[
{
"base64":false,
"type":"text/html",
"value":"The following software releases have been updated to resolve this specific issue: \n\n<span style=\"background-color: rgb(255, 255, 255);\">20.4R3-S8, 21.2R3-S6, 21.3R3-S5*, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3*, 23.2R1</span>, and all subsequent releases.\n\n<br>"
}
],
"value":"The following software releases have been updated to resolve this specific issue: \n\n20.4R3-S8, 21.2R3-S6, 21.3R3-S5*, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3*, 23.2R1, and all subsequent releases.\n\n\n"
}
],
"credits":[
{
"lang":"en",
"value":"LYS, working with DEVCORE Internship Program"