# CVE-2023-47218: QTS, QuTS hero, QuTScloud

- Exploited (CISA KEV): no
- Published: 2024-02-13
- CVSS: 5.8 MEDIUM (v3.1)
- EPSS: 89.9% (100th percentile)
- CWE: CWE-77, CWE-78

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network.

We have already fixed the vulnerability in the following versions:
QTS 5.1.5.2645 build 20240116 and later
QuTS hero h5.1.5.2647 build 20240118 and later
QuTScloud c5.1.5.2651 and later

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-09-16 | 946 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2026-09-16 · new · rule 200103688
  > Added: signature 200103688 "QNAP Command Injection" (Command Execution, risk High), systems: Other Web Server. References: CVE-2023-47218.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2023-47218, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2023-47218, 2026-11-02

"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-2023-47218 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-47218