CVE-2009-1901

CVE-2009-1901 is a critical-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Security component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.35 permits "non-standard http methods," which has unknown impact and remote attack vectors.

Frequently asked questions

What is CVE-2009-1901?
The Security component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.35 permits "non-standard http methods," which has unknown impact and remote attack vectors.
How severe is CVE-2009-1901?
CVE-2009-1901 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-1901 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1901?
CVE-2009-1901 primarily affects Ibm Websphere Application Server. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1901?
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-2009-1901 published?
CVE-2009-1901 was published on 2009-06-03 and last updated on 2026-06-16.

References

Affected products (33)

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