An issue was discovered in the America's Army Proving Grounds platform for the Unreal Engine. With a false packet sent via UDP, the application server responds with several bytes, giving the possibility of DoS amplification, even being able to be used in DDoS attacks.
Conclusion & alert: CVE-2018-10531 is rated High Exploit Risk (70.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.43%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.47% | 1.43% | +0.96% |
| 2 | 2025-03-30 | 0.73% | 0.47% | -0.27% |
| 3 | 2025-03-29 | — | 0.73% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| americasarmy | proving_grounds | — | cpe:2.3:a:americasarmy:proving_grounds:-:*:*:*:*:unreal_engine:*:* |
| URL | Tags |
|---|---|
| https://www.xlabs.com.br/blog/author/mauricio-correa/ | Third Party Advisory |
| https://www.xlabs.com.br/blog/cve-2018-10531-americas-army-proving-grounds-ddos-amplification/ | Exploit Vendor Advisory |