Is CVE-2012-3433 in the CISA KEV catalog?

No. CVE-2012-3433 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-3433?

CVE-2012-3433 has a CVSS v2 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2012-3433?

CVE-2012-3433 has an EPSS score of 0.42% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-3433?

Upgrade xen on debian 11 to 4.1.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2012-3433

MEDIUM

4.9

CVSS v2

NVD

Description

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.

CWE-399Resource Management Errors

How to fix

Remediation Available

xenDebian

Fixed in:4.1.3-1CVE-2012-3433

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

0.42%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Other references10

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

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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.