Cross Site Scripting Vulnerability in ZyXEL ZyWALL 2 Plus Security Appliance
CVE-2021-46387

6.1MEDIUM

Key Information:

Vendor
Zyxel
Status
Zywall 2 Plus Internet Security Appliance Firmware
Vendor
CVE Published:
1 March 2022

Summary

The ZyXEL ZyWALL 2 Plus Internet Security Appliance is susceptible to a Cross Site Scripting (XSS) vulnerability due to improper handling of URIs. This flaw allows attackers to bypass security restrictions, enabling them to inject and execute arbitrary JavaScript code. Such exploitation can lead to severe consequences, including clipboard hijacking, session hijacking, and unauthorized access to sensitive user information. Effective remediation is imperative to safeguard the integrity of network communications.

References

https://www.zyxel.com/us/en/support/security_advisories.s...
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https://www.zyxel.com/uk/en/products_services/zywall_2_pl...
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https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB6...
x_refsource_MISC

EPSS Score

25% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.