CVE-2019-9955

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Zyxel ZyWall 310 / ZyWall 110 / USG1900 / ATP500 / USG40 - Login Page Cross-Site Scripting2019-04-16 · webapps · hardware

Impact

On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page is vulnerable to Reflected XSS via the unsanitized 'mp_idx' parameter.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2019/Apr/22
• https://www.exploit-db.com/exploits/46706/
• https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page
• https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml
• http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2019/Apr/22
• https://www.exploit-db.com/exploits/46706/
• https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page
• https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml