Vulnerability · Published Mar 1, 2022 · Assigned by mitre

CVE-2021-46387

Medium 6.1

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 21.0% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS NVD)6.1Medium

Exploit odds (30 days)21.0%top 2.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Nuclei

Official description

ZyXEL ZyWALL 2 Plus Internet Security Appliance is affected by Cross Site Scripting (XSS). Insecure URI handling leads to bypass security restriction to achieve Cross Site Scripting, which allows an attacker able to execute arbitrary JavaScript codes to perform multiple attacks such as clipboard hijacking and session hijacking.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.zyxel.com/us/en/support/security_advisories.shtml x_refsource_MISC
https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml x_refsource_MISC
https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing x_refsource_MISC
http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html x_refsource_MISC