How severe is CVE-2012-5955?

CVE-2012-5955 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-5955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5955?

CVE-2012-5955 primarily affects Ibm Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-5955 published?

CVE-2012-5955 was published on 2012-12-20 and last updated on 2026-06-16.

CVE-2012-5955

CVE-2012-5955 is a critical-severity vulnerability in Ibm Http Server with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Http Server
Published: 2012-12-20
Last modified: 2026-06-16

Description

Unspecified vulnerability in the IBM HTTP Server component 5.3 in IBM WebSphere Application Server (WAS) for z/OS allows remote attackers to execute arbitrary commands via unknown vectors.

Frequently asked questions

What is CVE-2012-5955?: Unspecified vulnerability in the IBM HTTP Server component 5.3 in IBM WebSphere Application Server (WAS) for z/OS allows remote attackers to execute arbitrary commands via unknown vectors.
How severe is CVE-2012-5955?: CVE-2012-5955 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-5955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5955?: CVE-2012-5955 primarily affects Ibm Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-5955 published?: CVE-2012-5955 was published on 2012-12-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ibm:http_server:5.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:-:-:*:*:*:z\/os:*:*

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