How severe is CVE-2009-0434?

CVE-2009-0434 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2009-0434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0434?

CVE-2009-0434 primarily affects Ibm Websphere Application Server. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0434?

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

When was CVE-2009-0434 published?

CVE-2009-0434 was published on 2009-02-10 and last updated on 2026-06-16.

CVE-2009-0434

CVE-2009-0434 is a low-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 1.9. 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Websphere Application Server
Published: 2009-02-10
Last modified: 2026-06-16

Description

PerfServlet in the PMI/Performance Tools component in IBM WebSphere Application Server (WAS) 6.0.x before 6.0.2.31, 6.1.x before 6.1.0.21, and 7.0.x before 7.0.0.1, when Performance Monitoring Infrastructure (PMI) is enabled, allows local users to obtain sensitive information by reading the (1) systemout.log and (2) ffdc files. NOTE: this is probably a duplicate of CVE-2008-5413.

Frequently asked questions

What is CVE-2009-0434?: PerfServlet in the PMI/Performance Tools component in IBM WebSphere Application Server (WAS) 6.0.x before 6.0.2.31, 6.1.x before 6.1.0.21, and 7.0.x before 7.0.0.1, when Performance Monitoring Infrastructure (PMI) is enabled, allows local users to obtain sensitive information by reading the (1) systemout.log and (2) ffdc files. NOTE: this is probably a duplicate of CVE-2008-5413.
How severe is CVE-2009-0434?: CVE-2009-0434 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2009-0434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0434?: CVE-2009-0434 primarily affects Ibm Websphere Application Server. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0434 published?: CVE-2009-0434 was published on 2009-02-10 and last updated on 2026-06-16.

References

Affected products (56)

cpe:2.3:a:ibm:websphere_application_server:6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.0.1:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.1.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2:*:*:*:*:*:*:*
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:6.0.2.9:*:*:*:*:*:*:*
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:6.0.2.22:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.23:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.24:*:*:*:*:*:*:*
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:6.0.2.28:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.29:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.30:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.0.2.31:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0:*:*:*:*:*:*:*

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