Is CVE-2011-2178 in the CISA KEV catalog?

No. CVE-2011-2178 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2178?

CVE-2011-2178 has a CVSS v2 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2011-2178?

CVE-2011-2178 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2178?

Upgrade libvirt on debian 11 to 0.9.1-2 or later.

CVE & CISA-KEV Catalog

CVE-2011-2178

MEDIUM

4.4

CVSS v2

NVD

Description

The virSecurityManagerGetPrivateData function in security/security_manager.c in libvirt 0.8.8 through 0.9.1 uses the wrong argument for a sizeof call, which causes incorrect processing of "security manager private data" that "reopens disk probing" and might allow guest OS users to read arbitrary files on the host OS. NOTE: this vulnerability exists because of a CVE-2010-2238 regression.

How to fix

Remediation Available

libvirtDebian

Fixed in:0.9.1-2CVE-2011-2178

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Patch2

Other references6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.