How severe is CVE-2009-0436?

CVE-2009-0436 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2009-0436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0436?

CVE-2009-0436 primarily affects Ibm Websphere Application Server. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0436?

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

When was CVE-2009-0436 published?

CVE-2009-0436 was published on 2009-02-10 and last updated on 2026-06-16.

CVE-2009-0436

CVE-2009-0436 is a high-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 7.2. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Ibm Websphere Application Server
Published: 2009-02-10
Last modified: 2026-06-16

Description

The (1) mod_ibm_ssl and (2) mod_cgid modules in IBM HTTP Server 6.0.x before 6.0.2.31 and 6.1.x before 6.1.0.19, as used in WebSphere Application Server (WAS), set incorrect permissions for AF_UNIX sockets, which has unknown impact and local attack vectors.

Frequently asked questions

What is CVE-2009-0436?: The (1) mod_ibm_ssl and (2) mod_cgid modules in IBM HTTP Server 6.0.x before 6.0.2.31 and 6.1.x before 6.1.0.19, as used in WebSphere Application Server (WAS), set incorrect permissions for AF_UNIX sockets, which has unknown impact and local attack vectors.
How severe is CVE-2009-0436?: CVE-2009-0436 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2009-0436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0436?: CVE-2009-0436 primarily affects Ibm Websphere Application Server. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0436 published?: CVE-2009-0436 was published on 2009-02-10 and last updated on 2026-06-16.

References

Affected products (59)

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:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.0:*:*:*:*:*:*:*

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