CVE-2023-27990
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | zyxel |
| Product | atp series firmware |
| Published | Apr 24, 2023 |
| Last Updated | Aug 2, 2024 |
Stay Ahead of the Next One
Get instant alerts for zyxel atp series firmware
Be the first to know when new medium vulnerabilities affecting zyxel atp series firmware are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Zyxel / ATP series firmware
4.32 through 5.35
Zyxel / USG FLEX series firmware
4.50 through 5.35
Zyxel / USG FLEX 50(W) firmware
4.16 through 5.35
Zyxel / USG20(W)-VPN firmware
4.16 through 5.35
Zyxel / VPN series firmware
4.30 through 5.35