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VULNERABILITIES

CVE-2019-9955 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html CVEExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2019/Apr/22 CVEMailing ListThird Party Advisory
https://www.exploit-db.com/exploits/46706/ CVEExploitThird Party AdvisoryVDB Entry
https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page CVEPatchThird Party Advisory
https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml CVEVendor Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-9955
NVD Published Date:
Apr 22, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-9955 Details - Not Deferred