CVE-2011-0011
Summary
| CVE | CVE-2011-0011 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-06-21 15:55:05 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
HighAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:A/AC:H/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Qemu | Qemu | 0.1.0 | All | All | All |
| Application | Qemu | Qemu | 0.1.1 | All | All | All |
| Application | Qemu | Qemu | 0.1.2 | All | All | All |
| Application | Qemu | Qemu | 0.1.3 | All | All | All |
| Application | Qemu | Qemu | 0.1.4 | All | All | All |
| Application | Qemu | Qemu | 0.1.5 | All | All | All |
| Application | Qemu | Qemu | 0.1.6 | All | All | All |
| Application | Qemu | Qemu | 0.10.0 | All | All | All |
| Application | Qemu | Qemu | 0.10.1 | All | All | All |
| Application | Qemu | Qemu | 0.10.2 | All | All | All |
| Application | Qemu | Qemu | 0.10.3 | All | All | All |
| Application | Qemu | Qemu | 0.10.4 | All | All | All |
| Application | Qemu | Qemu | 0.10.5 | All | All | All |
| Application | Qemu | Qemu | 0.10.6 | All | All | All |
| Application | Qemu | Qemu | 0.11.0 | rc0 | All | All |
| Application | Qemu | Qemu | 0.11.0 | rc1 | All | All |
| Application | Qemu | Qemu | All | rc2 | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - Re: CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| USN-1063-1: QEMU vulnerability | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | ubuntu.com | |
| QEMU Empty VNC Password Authentication Bypass Security Issue - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| Debian update for qemu-kvm - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| Bug #697197 “Empty password allows access to VNC in libvirt” : Bugs : “libvirt” package : Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | bugs.launchpad.net | |
| oss-security - CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| Ubuntu update for qemu-kvm - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| oss-security - Re: CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| access.redhat.com | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| www.osvdb.org/70992 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| Security Advisory SA43733 - Red Hat update for qemu-kvm - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.