CVE-2022-22181

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

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

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.

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.

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.80% Top 30%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA69517 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22181?
CVE-2022-22181 has been scored as a high severity vulnerability.
How to fix CVE-2022-22181?
To fix CVE-2022-22181: 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.
Is CVE-2022-22181 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22181 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-22181?
CVE-2022-22181 affects Juniper Networks Junos OS.
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