CVE-2011-0011

CVE-2011-0011 is a medium-severity vulnerability in Qemu with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

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.

Frequently asked questions

What is CVE-2011-0011?
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.
How severe is CVE-2011-0011?
CVE-2011-0011 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-0011 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0011?
CVE-2011-0011 primarily affects Qemu. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0011?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0011 published?
CVE-2011-0011 was published on 2012-06-21 and last updated on 2026-06-16.

References

Affected products (17)

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