MDaemon Technologies SecurityGateway for Email Servers 8.5.2, is vulnerable to HTTP Response splitting via the data parameter.
Conclusion & alert: CVE-2022-37242 is rated High Exploit Risk (79.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.85%). 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 | 1.14% | 0.85% | -0.29% |
| 2 | 2025-11-18 | 0.85% | 1.14% | +0.29% |
| 3 | 2025-08-26 | — | 0.85% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| altn | security_gateway_for_email_servers | 8.5.2 | cpe:2.3:a:altn:security_gateway_for_email_servers:8.5.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://files.mdaemon.com/securitygateway/release/relnotes_en.htm | Vendor Advisory |
| https://gtn.com.np/wp-content/uploads/2022/07/HTTP-Response-splitting-through-DATA-parameter.pdf | Exploit Third Party Advisory |