CVE-2024-9043: Cellopoint Secure Email Gateway - Buffer Overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-09-20 · updated 2026-06-17
Weakness: CWE-121

Description

Secure Email Gateway from Cellopoint has Buffer Overflow Vulnerability in authentication process. Remote unauthenticated attackers can send crafted packets to crash the process, thereby bypassing authentication and obtaining system administrator privileges.

Affected products

Cellopoint Secure Email Gateway: from 4.2.1 through 4.5.0

References

https://www.twcert.org.tw/en/cp-139-8103-b0568-2.html
https://www.twcert.org.tw/tw/cp-132-8102-b94a9-1.html

Get alerted when CVE-2024-9043 or the next vulnerability affects your stack