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CVE-2011-0011
qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication…
Medium4.3EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:A/AC:H/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 43733 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20110110 Re: CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20110112 Re: CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 44393 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20110110 CVE request: qemu-kvm: Setting VNC password to empty string silently disables all authentication (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2011:0345 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 70992 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- qemu-vnc-security-bypass(65215) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 42830 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1063-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/697197 (opens in a new tab)x_refsource_MISCx_transferred
- 43272 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .