How severe is CVE-2012-0193?

CVE-2012-0193 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-0193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0193?

CVE-2012-0193 primarily affects Ibm Websphere Application Server. In total, 67 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0193?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0193 published?

CVE-2012-0193 was published on 2012-01-20 and last updated on 2026-06-16.

CVE-2012-0193

CVE-2012-0193 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Websphere Application Server
Published: 2012-01-20
Last modified: 2026-06-16

Description

IBM WebSphere Application Server (WAS) 6.0 through 6.0.2.43, 6.1 before 6.1.0.43, 7.0 before 7.0.0.23, and 8.0 before 8.0.0.3 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

Frequently asked questions

What is CVE-2012-0193?: IBM WebSphere Application Server (WAS) 6.0 through 6.0.2.43, 6.1 before 6.1.0.43, 7.0 before 7.0.0.23, and 8.0 before 8.0.0.3 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
How severe is CVE-2012-0193?: CVE-2012-0193 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-0193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0193?: CVE-2012-0193 primarily affects Ibm Websphere Application Server. In total, 67 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0193 published?: CVE-2012-0193 was published on 2012-01-20 and last updated on 2026-06-16.

References

Affected products (67)

cpe:2.3:a:ibm:websphere_application_server:6.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.19:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.23:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.25:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.27:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.29:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.31:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.33:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.35:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.37:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.43:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.14:*:*:*:*:*:*:*

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