CVE Feed

    Dashboard / CVE / CVE-2006-5794

    CVE-2006-5794

    Unspecified vulnerability in the sshd Privilege Separation Monitor in OpenSSH before 4.5 causes weaker verification that authentication has been successful, which might allow attackers to bypass authentication. NOTE: as of 20061108, it is believed that this issue is only exploitable by leveraging vulnerabilities in the unprivileged process, which are not known to exist.

    Published:Nov 7, 2006
    Last Modified:Apr 23, 2026
    EPS:Nov 8, 2006
    EPSS Score:0.04037
    CVSS Score:7.5

    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

    ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
    http://rhn.redhat.com/errata/RHSA-2006-0738.html
    http://secunia.com/advisories/22771
    http://secunia.com/advisories/22772
    http://secunia.com/advisories/22773
    http://secunia.com/advisories/22778
    http://secunia.com/advisories/22814
    http://secunia.com/advisories/22872
    http://secunia.com/advisories/22932
    http://secunia.com/advisories/23513
    http://secunia.com/advisories/23680
    http://secunia.com/advisories/24055
    http://securitytracker.com/id?1017183
    http://sourceforge.net/project/shownotes.php?release_id=461854&group_id=69227
    http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
    http://support.avaya.com/elmodocs2/security/ASA-2007-048.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:204
    http://www.novell.com/linux/security/advisories/2006_26_sr.html
    http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.032-openssh.html
    http://www.openssh.org/txt/release-4.5
    http://www.securityfocus.com/archive/1/451100/100/0/threaded
    http://www.securityfocus.com/bid/20956
    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/2006/4399
    http://www.vupen.com/english/advisories/2006/4400
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30120
    https://issues.rpath.com/browse/RPL-766
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11840
    ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
    http://rhn.redhat.com/errata/RHSA-2006-0738.html
    http://secunia.com/advisories/22771
    http://secunia.com/advisories/22772
    http://secunia.com/advisories/22773
    http://secunia.com/advisories/22778
    http://secunia.com/advisories/22814
    http://secunia.com/advisories/22872
    http://secunia.com/advisories/22932
    http://secunia.com/advisories/23513
    http://secunia.com/advisories/23680
    http://secunia.com/advisories/24055
    http://securitytracker.com/id?1017183
    http://sourceforge.net/project/shownotes.php?release_id=461854&group_id=69227
    http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
    http://support.avaya.com/elmodocs2/security/ASA-2007-048.htm
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:204
    http://www.novell.com/linux/security/advisories/2006_26_sr.html
    http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.032-openssh.html
    http://www.openssh.org/txt/release-4.5
    http://www.securityfocus.com/archive/1/451100/100/0/threaded
    http://www.securityfocus.com/bid/20956
    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/2006/4399
    http://www.vupen.com/english/advisories/2006/4400
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30120
    https://issues.rpath.com/browse/RPL-766
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11840

    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