Record summary

CVE-2019-9955 has a selected CVSS score of 6.1 (medium); EIP currently links 1 catalogued exploit and 1 Nuclei template.

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.

Description source: CVE List

Exploitation context

Available material

Catalogued exploits
1
Nuclei templates
1

Proofs of concept

1

Catalogued exploits

ExploitDBZyxel ZyWall 310 / ZyWall 110 / USG1900 / ATP500 / USG40 - Login Page Cross-Site ScriptingExploitDB exploitby Aaron BishopNot analyzed1 file
ExploitDB

PoC details

Nuclei templates

1
ProjectDiscoveryMEDIUMZyxel - Cross-Site ScriptingCVSS 6.1

Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, and ZyWALL 1100 devices contain a reflected cross-site scripting vulnerability on the security firewall login page via the mp_idx parameter.

Impact

Attackers can execute scripts in the victim's browser, potentially stealing cookies, session tokens, or performing actions on behalf of the user.

Remediation

Apply the latest firmware updates provided by Zyxel to fix the reflected cross-site scripting vulnerability.

WeaknessesCWE-79
Authorspdteam
Template tagscvecve2019zyxelpacketstormseclistsedbxssvuln
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CPE: cpe:2.3:o:zyxel:atp200_firmware:4.31:*:*:*:*:*:*:*

Source: ProjectDiscovery

References

6