CVE Tools
Sign in

CVE-2022-40603

Published: Dec 6, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-79
4.7MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 71.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

Zyxel Communications Corp.
commercial·TWaka zyxel
atp800 firmware
Networking Infrastructure
atp700 firmware
Networking Infrastructure
atp500 firmware
Networking Infrastructure
atp200 firmware
Networking Infrastructure
atp100 firmware
Networking Infrastructure
atp100w firmware
Networking Infrastructure
usg flex 100w firmware
Networking Infrastructure
usg flex 200 firmware
Networking Infrastructure
and 20 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2022-40603?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-in-firewalls
zyxel.com
https://nvd.nist.gov/vuln/detail/CVE-2022-40603
nvd.nist.gov
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-xss-vulnerability-in-firewalls
zyxel.com
and 1 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-40603 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows