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    CVE-2004-2069

    sshd.c in OpenSSH 3.6.1p2 and 3.7.1p2 and possibly other versions, when using privilege separation, does not properly signal the non-privileged process when a session has been terminated after exceeding the LoginGraceTime setting, which leaves the connection open and allows remote attackers to cause a denial of service (connection consumption).

    Published:Jan 27, 2004
    Last Modified:Apr 16, 2026
    EPS:May 5, 2005
    EPSS Score:0.0485
    CVSS Score:5

    Affected Products

    Vendor
    Openbsd
    Product
    Openssh
    Vendor
    Redhat
    Product
    Enterprise Linux

    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-2026-73283 (CVSS 2.5) — In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tun…
    CVE-2026-73282 (CVSS 4.8) — In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forward…
    CVE-2026-73281 (CVSS 3.5) — In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locall…
    CVE-2026-60002 (CVSS 7.7) — ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchan…
    CVE-2026-60001 (CVSS 6.5) — sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.…
    CVE-2026-60000 (CVSS 3.7) — sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from ex…
    CVE-2026-59999 (CVSS 5.9) — In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, b…
    CVE-2026-59998 (CVSS 4.8) — sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no v…
    CVE-2026-59997 (CVSS 4.2) — internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be …
    CVE-2026-59996 (CVSS 4.2) — scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occ…

    References

    http://marc.info/?l=openssh-unix-dev&m=107520317020444&w=2
    http://marc.info/?l=openssh-unix-dev&m=107529205602320&w=2
    http://rhn.redhat.com/errata/RHSA-2005-550.html
    http://secunia.com/advisories/17000
    http://secunia.com/advisories/17135
    http://secunia.com/advisories/17252
    http://secunia.com/advisories/22875
    http://secunia.com/advisories/23680
    http://support.avaya.com/elmodocs2/security/ASA-2005-216.pdf
    http://support.avaya.com/elmodocs2/security/ASA-2005-223.pdf
    http://www.osvdb.org/16567
    http://www.securityfocus.com/archive/1/425397/100/0/threaded
    http://www.securityfocus.com/archive/1/451404/100/0/threaded
    http://www.securityfocus.com/archive/1/451417/100/200/threaded
    http://www.securityfocus.com/archive/1/451426/100/200/threaded
    http://www.securityfocus.com/bid/14963
    http://www.vmware.com/download/esx/esx-202-200610-patch.html
    http://www.vmware.com/download/esx/esx-213-200610-patch.html
    http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
    http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
    http://www.vupen.com/english/advisories/2006/4502
    https://exchange.xforce.ibmcloud.com/vulnerabilities/20930
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11541
    http://marc.info/?l=openssh-unix-dev&m=107520317020444&w=2
    http://marc.info/?l=openssh-unix-dev&m=107529205602320&w=2
    http://rhn.redhat.com/errata/RHSA-2005-550.html
    http://secunia.com/advisories/17000
    http://secunia.com/advisories/17135
    http://secunia.com/advisories/17252
    http://secunia.com/advisories/22875
    http://secunia.com/advisories/23680
    http://support.avaya.com/elmodocs2/security/ASA-2005-216.pdf
    http://support.avaya.com/elmodocs2/security/ASA-2005-223.pdf
    http://www.osvdb.org/16567
    http://www.securityfocus.com/archive/1/425397/100/0/threaded
    http://www.securityfocus.com/archive/1/451404/100/0/threaded
    http://www.securityfocus.com/archive/1/451417/100/200/threaded
    http://www.securityfocus.com/archive/1/451426/100/200/threaded
    http://www.securityfocus.com/bid/14963
    http://www.vmware.com/download/esx/esx-202-200610-patch.html
    http://www.vmware.com/download/esx/esx-213-200610-patch.html
    http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
    http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
    http://www.vupen.com/english/advisories/2006/4502
    https://exchange.xforce.ibmcloud.com/vulnerabilities/20930
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11541

    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