"value":"A Cross-site Scripting (XSS) vulnerability in Juniper Networks Junos OS J-Web allows an attacker to construct a URL that when visited by another user enables the attacker to execute commands with the target's permissions, including an administrator. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S10, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S6; 19.2 versions prior to 19.2R1-S8, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S2, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2; 21.2 versions prior to 21.2R1-S1, 21.2R2."
"value":"The following software releases have been updated to resolve this specific issue: 12.3R12-S19, 15.1R7-S10, 18.3R3-S5, 18.4R2-S10, 18.4R3-S9, 19.1R2-S3, 19.1R3-S6, 19.2R1-S8, 19.2R3-S3, 19.3R2-S6, 19.3R3-S3, 19.4R3-S5, 20.1R3-S2, 20.2R3-S2, 20.3R3, 20.4R2-S2, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1-S1, 21.2R2, 21.3R1, and all subsequent releases.\n"
}
],
"source":{
"advisory":"JSA69519",
"defect":[
"1591626"
],
"discovery":"INTERNAL"
},
"work_around":[
{
"lang":"eng",
"value":"To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to only trusted administrative networks, hosts and users.\n\nAlternatively, J-Web can be disabled."