Is CVE-2012-0022 in the CISA KEV catalog?

No. CVE-2012-0022 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0022?

CVE-2012-0022 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2012-0022?

CVE-2012-0022 has an EPSS score of 10.86% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-0022

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

Apache Tomcat 5.5.x before 5.5.35, 6.x before 6.0.34, and 7.x before 7.0.23 uses an inefficient approach for handling parameters, which allows remote attackers to cause a denial of service (CPU consumption) via a request that contains many parameters and parameter values, a different vulnerability than CVE-2011-4858.

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.86%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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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.