CVE-2022-40603
moderate-risk
Published 2022-12-06
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.
Do I need to act?
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0.67% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10
Medium
NETWORK
/ LOW complexity
Affected Products (19)
Affected Vendors
References (2)
40
/ 100
moderate-risk
Severity
19/34 · Moderate
Exploitability
2/34 · Minimal
Exposure
19/34 · Moderate