CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-46387
Medium (6.1) in zyxel zywall 2 plus internet security appliance firmware. EPSS 21% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 21% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zyxel:zywall_2_plus_internet_security_appliance_firmware
References
- http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html
- https://drive.google.com/drive/folders/1_XfWBLqxT2Mqt7uB663Sjlc62pE8-rcN?usp=sharing
- https://www.zyxel.com/uk/en/products_services/zywall_2_plus.shtml
- https://www.zyxel.com/us/en/support/security_advisories.shtml
- http://packetstormsecurity.com/files/166189/Zyxel-ZyWALL-2-Plus-Cross-Site-Scripting.html