Is CVE-2011-1780 being actively exploited?

CVE-2011-1780 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1780?

CVE-2011-1780 has a CVSS 2.0 base score of 6.1 (MEDIUM).

CVE-2011-1780

MEDIUM · CVSS 6.1EPSS 0.7%EU EUVD

The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.

Key facts

CVSS score: 6.1 (v2.0)
Severity: MEDIUM
CVSS vector: AV:A/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 0.7% (53th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1778)
Published: January 7, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1778 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

xen / xen

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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