# CVE-2023-50164: Apache Struts: File upload component had a directory traversal vulnerability

- Exploited (CISA KEV): no
- Published: 2023-12-07
- CVSS: not scored
- EPSS: 80.8% (100th percentile)
- CWE: CWE-552

An attacker can manipulate file upload params to enable paths traversal and under some circumstances this can lead to uploading a malicious file which can be used to perform Remote Code Execution.
Users are recommended to upgrade to versions Struts 2.5.33 or Struts 6.3.0.2 or greater to fix this issue.

## 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 | Rule published | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Microsoft Azure

- undated · listed · rule 99001017
  > Rule 99001017: MS-ThreatIntel-CVEs · Attempted Apache Struts file upload exploitation CVE-2023-50164 · Enable rule to prevent against Apache Struts vulnerability
  Source: https://learn.microsoft.com/en-us/azure/web-application-firewall/afds/waf-front-door-drs
- undated · listed · rule 99001017
  > Rule 99001017: MS-ThreatIntel-CVEs · Attempted Apache Struts file upload exploitation CVE-2023-50164 · Set action to Block to prevent against Apache Struts vulnerability. Anomaly Score not supported for this rule
  Source: https://learn.microsoft.com/en-us/azure/web-application-firewall/ag/application-gateway-crs-rulegroups-rules

"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-2023-50164 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-50164