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Vulnerability record · CVE-2007-4646 · published 31 August 2007

CVE-2007-4646: Hexamail server code injection vulnerability

Hexamail · Hexamail Server

Buffer overflow in the pop3 service in Hexamail Server 3.0.0.001 Lite allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long USER command.

10.0 CVSS 2.0 High EPSS 16% · top 3.3% CWE-94 · Code injection
10.0CVSS 2.0 base score
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the pop3 service in Hexamail Server 3.0.0.001 Lite allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long USER command.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/26666
http://www.securityfocus.com/bid/25496
http://www.securitytracker.com/id?1018637
http://www.vupen.com/english/advisories/2007/3044
https://exchange.xforce.ibmcloud.com/vulnerabilities/36369
https://www.exploit-db.com/exploits/4344
http://secunia.com/advisories/26666
http://www.securityfocus.com/bid/25496
http://www.securitytracker.com/id?1018637
http://www.vupen.com/english/advisories/2007/3044
https://exchange.xforce.ibmcloud.com/vulnerabilities/36369
https://www.exploit-db.com/exploits/4344

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-4646), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.