CVE-2023-28461: Array Networks AG and vxAG ArrayOS Missing Authentication for Critical Function Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2024-11-25. EPSS: 68.1% chance of exploitation in the next 30 days.

Array Networks Array AG Series and vxAG (9.4.0.481 and earlier) allow remote code execution. An attacker can browse the filesystem on the SSL VPN gateway using a flags attribute in an HTTP header without authentication. The product could then be exploited through a vulnerable URL. The 2023-03-09 vendor advisory stated "a new Array AG release with the fix will be available soon."

Affected products

• Array Networks ArrayOS AG: up to and including 9.4.0.481

Published 2023-03-15. Last modified 2026-08-05.