# CVE-2017-7494: Samba Remote Code Execution Vulnerability

- Exploited (CISA KEV): yes, added 2023-03-30, known ransomware use
- Published: 2017-05-30
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 99.4% (100th percentile)
- CWE: CWE-94

Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.

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

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

"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-2017-7494 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2017-7494