Is CVE-2012-3371 in the CISA KEV catalog?

No. CVE-2012-3371 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-3371?

CVE-2012-3371 has a CVSS v2 base score of 3.5 (LOW).

What is the EPSS score for CVE-2012-3371?

CVE-2012-3371 has an EPSS score of 1.85% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-3371?

Upgrade nova on debian 11 to 2012.1.1-5 or later.

CVE & CISA-KEV Catalog

CVE-2012-3371

LOWEPSS 76th pctl

3.5

CVSS v2

NVD

Description

The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.

CWE-20Improper Input Validation

How to fix

Remediation Available

novaDebian

Fixed in:2012.1.1-5CVE-2012-3371

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

1.85%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Patch1

github.com

Exploit1

bugs.launchpad.net

Other references4

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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.