CVE-2022-22181

Junos OS: J-Web can be compromised through reflected XSS attacks

Published Apr 14, 2022 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Description
A reflected Cross-site Scripting (XSS) vulnerability in J-Web of Juniper Networks Junos OS allows a network-based authenticated attacker to run malicious scripts reflected off J-Web to the victim's browser in the context of their session within J-Web. This may allow the attacker to gain control of the device or attack other authenticated user sessions. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 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-S4; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R3-S3, 19.3R2-S6, 19.3R3-S3, 19.4R3-S5, 20.1R3-S4, 20.2R3-S2, 20.3R3, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases.


Vendor Workaround

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. Alternatively, J-Web can be disabled.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-27328 A reflected Cross-site Scripting (XSS) vulnerability in J-Web of Juniper Networks Junos OS allows a network-based authenticated attacker to run malicious scripts reflected off J-Web to the victim's browser in the context of their session within J-Web. This may allow the attacker to gain control of the device or attack other authenticated user sessions. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 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-S4; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 17, 2024, 2:36 AM
Reserved
Dec 21, 2021, 12:00 AM
Status
Modified
Published
Apr 14, 2022, 4:15 PM
Modified
Jun 17, 2026, 4:27 AM