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

- Exploited (CISA KEV): yes, added 2024-11-25, known ransomware use
- Published: 2023-03-15
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 68.1% (99th percentile)
- CWE: CWE-306

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."

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2025-01-06 | 663 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-01-06 · new · rule aaeada52bcc840598515de6cc3e49f64 · default Block
  > Array Networks - Remote Code Execution - CVE:CVE-2023-28461. Previous action: Log. New action: Block. New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-01-06-waf-release/

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2023-28461 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-28461