PatchTheCVECVE-2024-6744: The SMTP Listener of Secure Email Gateway from Cellopoint does not properly validate user input, leading to a
CVE-2024-6744 is a critical-severity flaw (CVSS 9.8) affecting secure email gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-6744?
secure email gateway: upgrade to 4.5.0. Exact commands for each OS are on this page.
Is CVE-2024-6744 being exploited?
CVE-2024-6744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-6744 affect?
CVE-2024-6744 affects secure email gateway. Severity is critical (CVSS 9.8). 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 comma
How urgent is CVE-2024-6744?
Priority 53/100. Critical severity; Remotely exploitable, no login, no user action
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