CVE-2022-40603

EUVD-2022-43878
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.7 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
ZyxelCNA
4.7 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
Affected Products (NVD)
VendorProductVersion
zyxelatp800_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelatp700_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelatp500_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelatp200_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelatp100_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelatp100w_firmware
4.32 ≤
𝑥
≤ 5.31
zyxelusg_flex_100w_firmware
4.50 ≤
𝑥
≤ 5.31
zyxelusg_flex_200_firmware
4.50 ≤
𝑥
≤ 5.31
zyxelusg_flex_500_firmware
4.50 ≤
𝑥
≤ 5.31
zyxelusg_flex_700_firmware
4.50 ≤
𝑥
≤ 5.31
zyxelusg_flex_50w_firmware
4.50 ≤
𝑥
≤ 5.31
zyxelvpn1000_firmware
4.30 ≤
𝑥
≤ 5.31
zyxelvpn300_firmware
4.30 ≤
𝑥
≤ 5.31
zyxelvpn100_firmware
4.30 ≤
𝑥
≤ 5.31
zyxelvpn50_firmware
4.30 ≤
𝑥
≤ 5.31
zyxelusg40_firmware
4.30 ≤
𝑥
≤ 4.72
zyxelusg40w_firmware
4.30 ≤
𝑥
≤ 4.72
zyxelusg60_firmware
4.30 ≤
𝑥
≤ 4.72
zyxelusg60w_firmware
4.30 ≤
𝑥
≤ 4.72
𝑥
= Vulnerable software versions