Comtech H8 Heights Remote Gateway 2.5.1 devices allow XSS and HTML injection via the Site Name (aka SiteName) field.
Conclusion & alert: CVE-2019-17667 is rated Exploit Available (54.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.28%). 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 | 2025-11-21 | 0.21% | 0.28% | +0.07% |
| 2 | 2025-11-18 | 0.28% | 0.21% | -0.07% |
| 3 | 2025-03-30 | — | 0.28% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| comtech | h8_heights_remote_gateway_firmware | 2.5.1 | cpe:2.3:o:comtech:h8_heights_remote_gateway_firmware:2.5.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://misteralfa-hack.blogspot.com/2019/10/comtech-stored-xss-heights-remote.html | Exploit Third Party Advisory |