CVE-2019-9955
Estado: ModificadaMedia (6.1)—
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.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 21%
- Percentil entre todas las CVEs puntuadas: 98
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (21)
Zyxel — Atp200 FirmwareZyxel — Atp500 FirmwareZyxel — Atp800 FirmwareZyxel — Usg1100 FirmwareZyxel — Usg110 FirmwareZyxel — Usg1900 FirmwareZyxel — Usg20-vpn FirmwareZyxel — Usg20w-vpn FirmwareZyxel — Usg210 FirmwareZyxel — Usg2200-vpn FirmwareZyxel — Usg310 FirmwareZyxel — Usg40 FirmwareZyxel — Usg40w FirmwareZyxel — Usg60 FirmwareZyxel — Usg60w FirmwareZyxel — Vpn100 FirmwareZyxel — Vpn300 FirmwareZyxel — Vpn50 FirmwareZyxel — Zywall 1100 FirmwareZyxel — Zywall 110 FirmwareZyxel — Zywall 310 Firmware
CWE
- CWE-79
Referencias
- 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
JSON original (NVD)
Mostrar
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"criteria": "cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3C45C303-1A95-4245-B242-3AB9B9106CD4"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}