How severe is CVE-2015-4947?

CVE-2015-4947 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-4947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4947?

CVE-2015-4947 affects Ibm Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4947?

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-2015-4947 published?

CVE-2015-4947 was published on 2015-09-15 and last updated on 2026-06-17.

CVE-2015-4947

CVE-2015-4947 is a critical-severity vulnerability in Ibm Http Server with a CVSS 2.0 base score of 9.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Http Server
Published: 2015-09-15
Last modified: 2026-06-17

Description

Stack-based buffer overflow in the Administration Server in IBM HTTP Server 6.1.0.x through 6.1.0.47, 7.0.0.x before 7.0.0.39, 8.0.0.x before 8.0.0.12, and 8.5.x before 8.5.5.7, as used in WebSphere Application Server and other products, allows remote authenticated users to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2015-4947?: Stack-based buffer overflow in the Administration Server in IBM HTTP Server 6.1.0.x through 6.1.0.47, 7.0.0.x before 7.0.0.39, 8.0.0.x before 8.0.0.12, and 8.5.x before 8.5.5.7, as used in WebSphere Application Server and other products, allows remote authenticated users to execute arbitrary code via unspecified vectors.
How severe is CVE-2015-4947?: CVE-2015-4947 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-4947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4947?: CVE-2015-4947 affects Ibm Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4947?: 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-2015-4947 published?: CVE-2015-4947 was published on 2015-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:*

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