CVE-2024-21620 Information

Description

An Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’) vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series 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.

A specific invocation of the emit_debug_note method in webauth_operation.php will echo back the data it receives.

This issue affects Juniper Networks Junos OS on SRX Series and EX Series: All versions earlier than 20.4R3-S10; 21.2 versions earlier than 21.2R3-S8; 21.4 versions earlier than 21.4R3-S6; 22.1 versions earlier than 22.1R3-S5; 22.2 versions earlier than 22.2R3-S3; 22.3 versions earlier than 22.3R3-S2; 22.4 versions earlier than 22.4R3-S1; 23.2 versions earlier than 23.2R2; 23.4 versions earlier than 23.4R2.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://supportportal.juniper.net/JSA76390

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8