CVE-2011-0011

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows...

4.3 MediumFix available

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.

Exploit likelihood

1.29%Down 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.

Record: CVE-2011-0011
CVSS 2.0: 4.3 MediumAV:A/AC:H/Au:N/C:P/I:P/A:P
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.

Record: CVE-2011-0011
Updated: 2026-11-02

EUVDEUVD-2011-0038 No score

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.

Record: EUVD-2011-0038
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x485-7p7r-jxj7 No score

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows...

qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions.

Record: GHSA-x485-7p7r-jxj7
Weakness: CWE-287
Updated: 2026-11-02

Affected products

qemu

Affected packages

Affected packages
Package	Affected	Fixed
`qemu-kvm` Debian:6.0	before 0.12.5+dfsg-5+squeeze1, plus listed versions 0.12.5+dfsg-5	0.12.5+dfsg-5+squeeze1
`qemu-img` Red Hat:enterprise_linux:6::client	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm` Red Hat:enterprise_linux:6::client	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:6::client	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-tools` Red Hat:enterprise_linux:6::client	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-img` Red Hat:enterprise_linux:6::computenode	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm` Red Hat:enterprise_linux:6::computenode	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:6::computenode	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-tools` Red Hat:enterprise_linux:6::computenode	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-img` Red Hat:enterprise_linux:6::server	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8

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Affected packages
Package	Affected	Fixed
`qemu-kvm` Red Hat:enterprise_linux:6::server	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:6::server	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-tools` Red Hat:enterprise_linux:6::server	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-img` Red Hat:enterprise_linux:6::workstation	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm` Red Hat:enterprise_linux:6::workstation	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:6::workstation	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8
`qemu-kvm-tools` Red Hat:enterprise_linux:6::workstation	before 2:0.12.1.2-2.113.el6_0.8	2:0.12.1.2-2.113.el6_0.8

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-0011 is a medium vulnerability (CVSS 4.3) in Qemu, published May 1, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. Fixed in qemu-kvm 0.12.5+dfsg-5+squeeze1.

References

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