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    CVE-1999-1109

    Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.

    Published:Dec 22, 1999
    Last Modified:Apr 16, 2026
    EPS:Mar 9, 2002
    EPSS Score:0.07749
    CVSS Score:5

    Affected Products

    Vendor
    Sendmail
    Product
    Sendmail

    Exploits

    https://www.exploit-db.com/exploits/19701

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2014-3956 (CVSS 1.9) — The sm_close_on_exec function in conf.c in sendmail before 8.14.9 has arguments in the wrong order, and conseq…
    CVE-2009-4565 (CVSS 7.5) — sendmail before 8.14.4 does not properly handle a '\0' character in a Common Name (CN) field of an X.509 certi…
    CVE-2009-1490 (CVSS 5) — Heap-based buffer overflow in Sendmail before 8.13.2 allows remote attackers to cause a denial of service (dae…
    CVE-2007-2246 (CVSS 7.8) — Unspecified vulnerability in HP-UX B.11.00 and B.11.11, when running sendmail 8.9.3 or 8.11.1; and HP-UX B.11.…
    CVE-2006-7175 (CVSS 7.5) — The version of Sendmail 8.13.1-2 on Red Hat Enterprise Linux 4 Update 4 and earlier does not allow the adminis…
    CVE-2006-4434 (CVSS 7.5) — Use-after-free vulnerability in Sendmail before 8.13.8 allows remote attackers to cause a denial of service (c…
    CVE-2006-1173 (CVSS 5) — Sendmail before 8.13.7 allows remote attackers to cause a denial of service via deeply nested, malformed multi…
    CVE-2006-0058 (CVSS 7.6) — Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to execute arbitrary co…

    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