ZyxelCVELIST:CVE-2023-27990CVE-2023-27990
4.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.9 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.7%
The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker with administrator privileges to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed when the user visits the Logs page of the GUI on the device.
CNA Affected
[
{
"defaultStatus": "unaffected",
"product": "ATP series firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "4.32 through 5.35"
}
]
},
{
"defaultStatus": "unaffected",
"product": "USG FLEX series firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "4.50 through 5.35"
}
]
},
{
"defaultStatus": "unaffected",
"product": "USG FLEX 50(W) firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "4.16 through 5.35"
}
]
},
{
"defaultStatus": "unaffected",
"product": "USG20(W)-VPN firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "4.16 through 5.35"
}
]
},
{
"defaultStatus": "unaffected",
"product": "VPN series firmware",
"vendor": "Zyxel",
"versions": [
{
"status": "affected",
"version": "4.30 through 5.35"
}
]
}
]Related
4.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.9 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.7%