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    CVE-2002-2261

    Sendmail 8.9.0 through 8.12.6 allows remote attackers to bypass relaying restrictions enforced by the 'check_relay' function by spoofing a blank DNS hostname.

    Published:Dec 31, 2002
    Last Modified:Apr 16, 2026
    EPS:Oct 18, 2007
    EPSS Score:0.00598
    CVSS Score:7.5

    Affected Products

    Vendor
    Sendmail
    Product
    Sendmail

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-51765 (CVSS 5.3) — sendmail through 8.17.2 allows SMTP smuggling in certain configurations. Remote attackers can use a published …
    CVE-2021-3618 (CVSS 7.4) — ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing differen…
    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…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20030101-01-P
    http://secunia.com/advisories/7826
    http://securitytracker.com/id?1005748
    http://www.securityfocus.com/bid/6548
    http://www.sendmail.org/8.12.7.html
    http://www.vupen.com/english/advisories/2009/3539
    https://exchange.xforce.ibmcloud.com/vulnerabilities/10775
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6892
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8512
    ftp://patches.sgi.com/support/free/security/advisories/20030101-01-P
    http://secunia.com/advisories/7826
    http://securitytracker.com/id?1005748
    http://www.securityfocus.com/bid/6548
    http://www.sendmail.org/8.12.7.html
    http://www.vupen.com/english/advisories/2009/3539
    https://exchange.xforce.ibmcloud.com/vulnerabilities/10775
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6892
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8512

    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