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libvirt: Setting empty VNC password allows access to unauthorized users

🗓️ 03 Nov 2016 08:07:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

libvirt VNC with an empty password does not require authentication, enabling access to a VNC server.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64libvirt0:2.0.0-10.el7libvirt-0:2.0.0-10.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lelibvirt0:2.0.0-10.el7libvirt-0:2.0.0-10.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xlibvirt0:2.0.0-10.el7libvirt-0:2.0.0-10.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64libvirt0:2.0.0-10.el7libvirt-0:2.0.0-10.el7.x86_64.rpm
Red Hat Enterprise Linux7ppclibvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.ppc.rpm
Red Hat Enterprise Linux7ppc64libvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lelibvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390libvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.s390.rpm
Red Hat Enterprise Linux7s390xlibvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64libvirt-client0:2.0.0-10.el7libvirt-client-0:2.0.0-10.el7.x86_64.rpm
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28 Jun 2026 12:28Current
7.3High risk
Vulners AI Score7.3
CVSS 24.3
CVSS 39.8
EPSS0.03623
10