How severe is CVE-2009-2091?

CVE-2009-2091 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-2091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2091?

CVE-2009-2091 primarily affects Ibm Websphere Application Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2091?

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

When was CVE-2009-2091 published?

CVE-2009-2091 was published on 2009-08-13 and last updated on 2026-06-16.

CVE-2009-2091

CVE-2009-2091 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Ibm Websphere Application Server
Published: 2009-08-13
Last modified: 2026-06-16

Description

The System Management/Repository component in IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.5 on z/OS uses weak file permissions for new applications, which allows remote attackers to obtain sensitive information via unspecified vectors.

Frequently asked questions

What is CVE-2009-2091?: The System Management/Repository component in IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.5 on z/OS uses weak file permissions for new applications, which allows remote attackers to obtain sensitive information via unspecified vectors.
How severe is CVE-2009-2091?: CVE-2009-2091 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-2091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2091?: CVE-2009-2091 primarily affects Ibm Websphere Application Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2091 published?: CVE-2009-2091 was published on 2009-08-13 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.4:*:*:*:*:*:*:*

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