CVE-2021-0275 Information

Description

A Cross-site Scripting (XSS) vulnerability in J-Web on Juniper Networks Junos OS allows an attacker to target another user’s session thereby gaining access to the users session. The other user session must be active for the attack to succeed. Once successful the attacker has the same privileges as the user. If the user has root privileges the attacker may be able to gain full control of the device. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S15 on EX Series; 12.3X48 versions prior to 12.3X48-D95 on SRX Series; 15.1 versions prior to 15.1R7-S6 on EX Series; 15.1X49 versions prior to 15.1X49-D200 on SRX Series; 16.1 versions prior to 16.1R7-S7; 16.2 versions prior to 16.2R2-S11 16.2R3; 17.1 versions prior to 17.1R2-S11 17.1R3-S2; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5 17.3R3-S7; 17.4 versions prior to 17.4R2-S9 17.4R3; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R2-S7 18.2R3-S3; 18.3 versions prior to 18.3R1-S7 18.3R2-S3 18.3R3-S1; 18.4 versions prior to 18.4R1-S6 18.4R2-S4 18.4R3; 19.1 versions prior to 19.1R2-S1 19.1R3; 19.2 versions prior to 19.2R1-S3 19.2R2; 19.3 versions prior to 19.3R2.

CVSS Vector

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

Reference

https://kb.juniper.net/JSA11166

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