CVE-2021-46387

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-46387
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.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html Exploit Third Party Advisory VDB Entry
https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing Exploit Third Party Advisory
https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml Broken Link Vendor Advisory
https://www.zyxel.com/us/en/support/security_advisories.shtml Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:zyxel:zywall_2_plus_internet_security_appliance_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_2_plus_internet_security_appliance:-:*:*:*:*:*:*:*
History

09 Mar 2022, 13:17

Type Values Removed Values Added
References (MISC) https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml - (MISC) https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml - Broken Link, Vendor Advisory
References (MISC) http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html - (MISC) http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html - Exploit, Third Party Advisory, VDB Entry
References (MISC) https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing - (MISC) https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing - Exploit, Third Party Advisory
References (MISC) https://www.zyxel.com/us/en/support/security_advisories.shtml - (MISC) https://www.zyxel.com/us/en/support/security_advisories.shtml - Vendor Advisory
CPE cpe:2.3:h:zyxel:zywall_2_plus_internet_security_appliance:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_2_plus_internet_security_appliance_firmware:-:*:*:*:*:*:*:*
CWE CWE-79
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1

02 Mar 2022, 19:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html -

01 Mar 2022, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-01 15:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-46387

Mitre link : CVE-2021-46387

CVE.ORG link : CVE-2021-46387

JSON object : View

Products Affected

zyxel

  • zywall_2_plus_internet_security_appliance
  • zywall_2_plus_internet_security_appliance_firmware
CWE
CWE-79

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