CVE-2023-28771 — Zyxel Multiple Firewalls OS Command Injection Vulnerability
2023-05-31 • CISA Known Exploited Vulnerability
[event] 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.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Zyxel |
| Product | Multiple Firewalls |
| CWE | CWE-78 |
| CVE ID | CVE-2023-28771 |
| Date Added | 2023-05-31 |
| Due Date | 2023-06-21 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply updates per vendor instructions.
Due Date: 2023-06-21