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Vulnerability record · CVE-2017-12639 · published 3 October 2017

CVE-2017-12639: Ipswitch imail server memory buffer overflow vulnerability

Ipswitch · Imail Server

Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspecified vectors in IMmailSrv, aka ETRE or ETCTERARED.

9.8 CVSS 3.0 Critical EPSS 2.5% · top 15.8% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspecified vectors in IMmailSrv, aka ETRE or ETCTERARED.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://docs.ipswitch.com/_Messaging/IMailServer/v12.5.6/ReleaseNotes/index.htm#link8 Vendor Advisory
https://docs.ipswitch.com/_Messaging/IMailServer/v12.5.6/ReleaseNotes/index.htm#link8 Vendor Advisory

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Related vulnerabilities

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

10.0CVE-2007-3927Ipswitch imail server vulnerabilityMultiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified vectors i…EPSS 22%10.0CVE-2005-1255Ipswitch imail vulnerabilityMultiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMai…EPSS 43%10.0CVE-2005-1256IMail IMAP daemon stack buffer overflow via STATUS commandThe IMAP daemon (IMAPD32.EXE) in Ipswitch IMail 8.13 and other versions before IMail Server 8.2 Hotfix 2 contains a stack-based buffer overflow trigg…EPSS 59%analysed9.8CVE-2017-12638Ipswitch imail server memory buffer overflow vulnerabilityStack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspecified vec…EPSS 2.5%7.8CVE-2007-3926Ipswitch imail server vulnerabilityIpswitch IMail Server 2006 before 2006.21 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving an "o…EPSS 2.9%7.5CVE-2007-4345Ipswitch imail client memory buffer overflow vulnerabilityBuffer overflow in IMail Client 9.22, as shipped with IPSwitch IMail Server 2006.22, allows remote attackers to execute arbitrary code via a long bou…EPSS 3.2%7.5CVE-2005-2931Ipswitch imail server vulnerabilityFormat string vulnerability in the SMTP service in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to exe…EPSS 4.7%6.5CVE-2007-3925Ipswitch IMail Server IMAP service buffer overflows via Search commandsIpswitch IMail Server 2006 before 2006.21 contains multiple buffer overflows in the IMAP service (imapd32.exe) reachable through the Search and Searc…EPSS 85%analysed

Source: NIST National Vulnerability Database (record CVE-2017-12639), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.