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    CVE-2006-3277

    The SMTP service of MailEnable Standard 1.92 and earlier, Professional 2.0 and earlier, and Enterprise 2.0 and earlier before the MESMTPC hotfix, allows remote attackers to cause a denial of service (application crash) via a HELO command with a null byte in the argument, possibly triggering a length inconsistency or a missing argument.

    Published:Jun 28, 2006
    Last Modified:Apr 16, 2026
    EPS:Jun 28, 2006
    EPSS Score:0.21038
    CVSS Score:5

    Affected Products

    Vendor
    Mailenable
    Product
    Mailenable Enterprise
    Vendor
    Mailenable
    Product
    Mailenable Professional

    Exploits

    https://www.exploit-db.com/exploits/28103

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-44400 (CVSS 8.7) — MailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdm…
    CVE-2008-1277 (CVSS 9) — The IMAP service (MEIMAPS.exe) in MailEnable Professional Edition and Enterprise Edition 3.13 and earlier allo…
    CVE-2008-1276 (CVSS 9) — Multiple buffer overflows in the IMAP service (MEIMAPS.EXE) in MailEnable Professional Edition and Enterprise …
    CVE-2008-1275 (CVSS 7.8) — Multiple unspecified vulnerabilities in the SMTP service in MailEnable Standard Edition 1.x, Professional Edit…
    CVE-2007-1301 (CVSS 9) — Stack-based buffer overflow in the IMAP service in MailEnable Enterprise and Professional Editions 2.37 and ea…
    CVE-2006-6997 (CVSS 10) — Unspecified vulnerability in a cryptographic feature in MailEnable Standard Edition before 1.93, Professional …
    CVE-2006-6605 (CVSS 10) — Stack-based buffer overflow in the POP service in MailEnable Standard 1.98 and earlier; Professional 1.84, and…
    CVE-2006-6484 (CVSS 5) — The IMAP service for MailEnable Professional and Enterprise Edition 2.0 through 2.34, Professional Edition 1.6…
    CVE-2006-6423 (CVSS 10) — Stack-based buffer overflow in the IMAP service for MailEnable Professional and Enterprise Edition 2.0 through…
    CVE-2006-6290 (CVSS 6.5) — Multiple stack-based buffer overflows in the IMAP module (MEIMAPS.EXE) in MailEnable Professional 1.6 through …

    References

    http://secunia.com/advisories/20790
    http://securitytracker.com/id?1016376
    http://www.divisionbyzero.be/?p=173
    http://www.divisionbyzero.be/?p=174
    http://www.mailenable.com/hotfix/mesmtpc.zip
    http://www.osvdb.org/26791
    http://www.securityfocus.com/archive/1/438374/100/0/threaded
    http://www.securityfocus.com/bid/18630
    http://www.vupen.com/english/advisories/2006/2520
    https://exchange.xforce.ibmcloud.com/vulnerabilities/27387
    http://secunia.com/advisories/20790
    http://securitytracker.com/id?1016376
    http://www.divisionbyzero.be/?p=173
    http://www.divisionbyzero.be/?p=174
    http://www.mailenable.com/hotfix/mesmtpc.zip
    http://www.osvdb.org/26791
    http://www.securityfocus.com/archive/1/438374/100/0/threaded
    http://www.securityfocus.com/bid/18630
    http://www.vupen.com/english/advisories/2006/2520
    https://exchange.xforce.ibmcloud.com/vulnerabilities/27387

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High