# CVE-2023-0669: Fortra GoAnywhere MFT Remote Code Execution Vulnerability

- Exploited (CISA KEV): yes, added 2023-02-10, known ransomware use
- Published: 2023-02-06
- CVSS: 7.2 HIGH (v3.1)
- EPSS: 100.0% (100th percentile)
- CWE: CWE-502

Fortra (formerly, HelpSystems) GoAnywhere MFT suffers from a pre-authentication command injection vulnerability in the License Response Servlet due to deserializing an arbitrary attacker-controlled object. This issue was patched in version 7.1.2.

## 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 | 2024-05-21 | 470 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2024-05-21 · new · rule 200010486
  > Added: signature 200010486 "GoAnywhere MFT Unsafe Deserialization" (Predictable Resource Location, risk High), systems: Other Web Server. References: CVE-2023-0669.
  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: passed (0 of 1 requests blocked), template CVE-2023-0669, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2023-0669, 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-2023-0669 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-0669