6.1
MEDIUM
CVE-2019-9955
Zyxel ZyWALL/ZyADM Reflected Cross-Site Scripting
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.

INFO

Published Date :

April 22, 2019, 8:29 p.m.

Last Modified :

Nov. 21, 2024, 4:52 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2019-9955 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-9955 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zyxel usg20-vpn_firmware
2 Zyxel usg20w-vpn_firmware
3 Zyxel usg40_firmware
4 Zyxel usg40w_firmware
5 Zyxel usg60_firmware
6 Zyxel usg60w_firmware
7 Zyxel usg110_firmware
8 Zyxel usg210_firmware
9 Zyxel usg310_firmware
10 Zyxel usg1100_firmware
11 Zyxel usg1900_firmware
12 Zyxel zywall_110_firmware
13 Zyxel zywall_1100_firmware
14 Zyxel zywall_310_firmware
15 Zyxel usg2200-vpn_firmware
16 Zyxel vpn100_firmware
17 Zyxel vpn300_firmware
18 Zyxel vpn50_firmware
19 Zyxel atp200_firmware
20 Zyxel atp500_firmware
21 Zyxel atp800_firmware
22 Zyxel atp200
23 Zyxel atp500
24 Zyxel atp800
25 Zyxel vpn100
26 Zyxel vpn50
27 Zyxel vpn300
28 Zyxel usg20-vpn
29 Zyxel usg20w-vpn
30 Zyxel usg40
31 Zyxel usg40w
32 Zyxel usg60
33 Zyxel usg60w
34 Zyxel usg110
35 Zyxel usg210
36 Zyxel usg310
37 Zyxel usg1100
38 Zyxel usg1900
39 Zyxel zywall_110
40 Zyxel zywall_1100
41 Zyxel zywall_310
42 Zyxel usg2200-vpn
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 157 different CVEs too.

None

Updated: 4 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 6, 2022, 8:40 a.m. This repo has been linked 153 different CVEs too.

None

Python XSLT

Updated: 4 weeks ago
19 stars 5 fork 5 watcher
Born at : May 22, 2021, 4:29 p.m. This repo has been linked 350 different CVEs too.

Customized templates originally pulled from `projectdiscovery/nuclei-templates`

Python

Updated: 5 months, 4 weeks ago
5 stars 0 fork 0 watcher
Born at : March 11, 2021, 1:56 a.m. This repo has been linked 174 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 month ago
109 stars 34 fork 34 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1654 different CVEs too.

Public issues I identified. Write-ups, exploit tools, etc.

Python

Updated: 1 year ago
5 stars 3 fork 3 watcher
Born at : April 1, 2019, 7:22 p.m. This repo has been linked 20 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-9955 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-9955 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html
    Added Reference http://seclists.org/fulldisclosure/2019/Apr/22
    Added Reference https://www.exploit-db.com/exploits/46706/
    Added Reference https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page
    Added Reference https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 30, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://www.exploit-db.com/exploits/46706/ No Types Assigned https://www.exploit-db.com/exploits/46706/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page No Types Assigned https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page Patch, Third Party Advisory
    Changed Reference Type http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html No Types Assigned http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml No Types Assigned https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml Vendor Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2019/Apr/22 No Types Assigned http://seclists.org/fulldisclosure/2019/Apr/22 Mailing List, Third Party Advisory
    Added CWE CWE-79
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp200_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp500_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp800_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20-vpn_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20w-vpn_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40w_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60w_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg110_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg210_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg310_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1100_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1900_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg2200-vpn_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg2200-vpn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_110_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_310_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_1100_firmware:4.31:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn50_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-9955 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-9955 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

6.48 }} 3.42%

score

0.93646

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability