The SMTP Listener of Secure Email Gateway from Cellopoint does not properly validate user input, leading to a Buffer Overflow vulnerability. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands on the remote server.
Conclusion & alert: CVE-2024-6744 is rated Moderate Risk (55.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.77%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2.46% | 0.77% | -1.69% |
| 2 | 2025-12-04 | 2.01% | 2.46% | +0.45% |
| 3 | 2025-11-21 | — | 2.01% | — |
Full EPSS history (18 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 |
|---|---|---|---|
| cellopoint | secure_email_gateway | < 4.5.0 | cpe:2.3:a:cellopoint:secure_email_gateway:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/en/cp-139-7937-acbb5-2.html | Third Party Advisory |
| https://www.twcert.org.tw/tw/cp-132-7936-f6381-1.html | Third Party Advisory |