Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2019-9955

CWE-79 — Cross-site Scripting (XSS)5 documents5 sources
Severity
6.1MEDIUM
EPSS
10.7%
top 6.68%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
18
Zyxel Atp200 FirmwareZyxel Atp500 FirmwareZyxel Atp800 Firmware+15 more
Timeline
PublishedApr 22
Latest updateMay 24

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages18 packages

Patches

Patch: www.securitymetrics.com ↗Patch: www.securitymetrics.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-9r2m-gm27-q4jp: On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 11↗2022-05-24
▶
CVEList
CVE-2019-9955: On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 11↗2019-04-22
▶

💥Exploits & PoCs

2
Exploit-DB
Zyxel ZyWall 310 / ZyWall 110 / USG1900 / ATP500 / USG40 - Login Page Cross-Site Scripting↗2019-04-16
▶
Nuclei
Zyxel - Cross-Site Scripting
▶