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  1. CVEs
  2. CVE-2016-5008
  1. CVEs

CVE-2016-5008

critical
  • Information
  • CPEs
  • Plugins

Description

libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.

References

https://usn.ubuntu.com/3576-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-5967

https://bugzilla.redhat.com/show_bug.cgi?id=1180092

http://www.securityfocus.com/bid/91562

http://www.debian.org/security/2016/dsa-3613

http://security.libvirt.org/2016/0001.html

http://rhn.redhat.com/errata/RHSA-2016-2577.html

http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html

http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html

http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html

Details

Source: Mitre, NVD

Published: 2016-07-13

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.03653

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