Exploited Vulnerabilities DailyCVE-2023-28771: Zyxel Multiple Firewalls
EPSS99.2%No. 204 of 1739 in KEV
CVE year2023listed the same year
Same vendor in KEV13
Same product5
| Field | Value |
|---|---|
| Vendor | Zyxel |
| Product | Multiple Firewalls |
| Name | Zyxel Multiple Firewalls OS Command Injection Vulnerability |
| Added to KEV | 2023-05-31 |
| US federal due date | 2023-06-21 |
| Ransomware use | Unknown |
| CWE | CWE-78 |
CISA description
Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to an affected device.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2024-11667 | Zyxel Multiple Firewalls | 2024-12-03 | 2.9% | Known |
| CVE-2023-33010 | Zyxel Multiple Firewalls | 2023-06-05 | 29.0% | Unknown |
| CVE-2023-33009 | Zyxel Multiple Firewalls | 2023-06-05 | 28.1% | Unknown |
| CVE-2022-30525 | Zyxel Multiple Firewalls | 2022-05-16 | 99.9% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Zyxel Multiple Firewalls vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2023-05-31.