CVE-2021-46387

Zyxel ZyWALL 2 Plus Internet Security Appliance - Cross-Site Scripting (XSS)

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

ZyXEL ZyWALL 2 Plus Internet Security Appliance está afectado por una vulnerabilidad de tipo Cross Site Scripting (XSS). Un manejo no seguro de URI conlleva a omitir la restricción de seguridad para lograr una vulnerabilidad de tipo Cross Site Scripting, lo que permite a un atacante capaz de ejecutar códigos JavaScript arbitrarios para llevar a cabo múltiples ataques como el secuestro del portapapeles y el secuestro de la sesión.

Zyxel ZyWALL 2 Plus suffers from a cross site scripting vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-18 CVE Reserved
2022-03-01 CVE Published
2022-03-02 First Exploit
2024-08-04 CVE Updated
2024-10-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/50797	2022-03-02
http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html	2024-08-04
https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml	2022-03-09
https://www.zyxel.com/us/en/support/security_advisories.shtml	2022-03-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zyxel Search vendor "Zyxel"	Zywall 2 Plus Internet Security Appliance Firmware Search vendor "Zyxel" for product "Zywall 2 Plus Internet Security Appliance Firmware"	-	-	Affected	in	Zyxel Search vendor "Zyxel"	Zywall 2 Plus Internet Security Appliance Search vendor "Zyxel" for product "Zywall 2 Plus Internet Security Appliance"	-	-	Safe