How severe is CVE-2011-2173?

CVE-2011-2173 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2011-2173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2173?

CVE-2011-2173 primarily affects Ibm Websphere Portal. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2173?

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

When was CVE-2011-2173 published?

CVE-2011-2173 was published on 2011-05-26 and last updated on 2026-06-16.

CVE-2011-2173

CVE-2011-2173 is a medium-severity vulnerability in Ibm Websphere Portal with a CVSS 2.0 base score of 4.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Ibm Websphere Portal
Published: 2011-05-26
Last modified: 2026-06-16

Description

The implementation of OutputMediator objects in IBM WebSphere Portal 6.0.1.7, and 7.0.0.1 before CF002, allows remote authenticated users to cause a denial of service (memory consumption) via requests.

Frequently asked questions

What is CVE-2011-2173?: The implementation of OutputMediator objects in IBM WebSphere Portal 6.0.1.7, and 7.0.0.1 before CF002, allows remote authenticated users to cause a denial of service (memory consumption) via requests.
How severe is CVE-2011-2173?: CVE-2011-2173 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2011-2173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2173?: CVE-2011-2173 primarily affects Ibm Websphere Portal. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2173 published?: CVE-2011-2173 was published on 2011-05-26 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ibm:websphere_portal:6.0.1.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_portal:7.0.0.1:*:*:*:*:*:*:*

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