# CVE-2025-20229: Remote Code Execution through file upload to “$SPLUNK_HOME/var/run/splunk/apptemp“ directory in Splunk Enterprise

- Exploited (CISA KEV): no
- Published: 2025-03-26
- CVSS: 8 HIGH (v3.1)
- EPSS: 16.0% (97th percentile)
- CWE: CWE-284

In Splunk Enterprise versions below 9.3.3, 9.2.5,  and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Rule off by default | 2025-04-22 | 27 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-04-22 · new · rule 2e96b6d5cdd94f7782b90e266c9531fa · default Disabled
  > Splunk Enterprise - Remote Code Execution - CVE:CVE-2025-20229. Previous action: Log. New action: Disabled. This is a New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-04-22-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-2025-20229 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-20229